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Finding the Fourth Proportional to 1,801.14, 2,485.59 and 1,015.19

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Solution

The fourth proportional to 1,801.14, 2,485.59 and 1,015.19 is: 1,400.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,801.14 : 2,485.59 = 1,015.19 : x
  2. Step 2: Convert to fraction form
    1,801.14/2,485.59 = 1,015.19/x
  3. Step 3: Cross multiply
    1,801.14x = 2,485.59 × 1,015.19
  4. Step 4: Simplify right side
    1,801.14x = 2,523,340.95
  5. Step 5: Solve for x
    x = 2,523,340.95/1,801.14
  6. Step 6: Final answer
    x = 1,400.97

Related Problems

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Half scale
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Double scale
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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.