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Finding the Fourth Proportional to 1,800.77, 2,485.08 and 1,014.83

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Solution

The fourth proportional to 1,800.77, 2,485.08 and 1,014.83 is: 1,400.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,800.77 : 2,485.08 = 1,014.83 : x
  2. Step 2: Convert to fraction form
    1,800.77/2,485.08 = 1,014.83/x
  3. Step 3: Cross multiply
    1,800.77x = 2,485.08 × 1,014.83
  4. Step 4: Simplify right side
    1,800.77x = 2,521,930.63
  5. Step 5: Solve for x
    x = 2,521,930.63/1,800.77
  6. Step 6: Final answer
    x = 1,400.48

Related Problems

Find fourth proportional to 900.38, 1,242.54 and 507.41
Half scale
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Double scale
Find fourth proportional to 1,801.77, 2,486.46 and 1,015.83
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.