Home / 2,504.03-3,455.62-1,385.05

Finding the Fourth Proportional to 2,504.03, 3,455.62 and 1,385.05

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Solution

The fourth proportional to 2,504.03, 3,455.62 and 1,385.05 is: 1,911.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,504.03 : 3,455.62 = 1,385.05 : x
  2. Step 2: Convert to fraction form
    2,504.03/3,455.62 = 1,385.05/x
  3. Step 3: Cross multiply
    2,504.03x = 3,455.62 × 1,385.05
  4. Step 4: Simplify right side
    2,504.03x = 4,786,194.38
  5. Step 5: Solve for x
    x = 4,786,194.38/2,504.03
  6. Step 6: Final answer
    x = 1,911.39

Related Problems

Find fourth proportional to 1,252.02, 1,727.81 and 692.52
Half scale
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Double scale
Find fourth proportional to 2,505.03, 3,457 and 1,386.05
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.