Home / 3,720.49-5,580.73-2,899.38

Finding the Fourth Proportional to 3,720.49, 5,580.73 and 2,899.38

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Solution

The fourth proportional to 3,720.49, 5,580.73 and 2,899.38 is: 4,349.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,720.49 : 5,580.73 = 2,899.38 : x
  2. Step 2: Convert to fraction form
    3,720.49/5,580.73 = 2,899.38/x
  3. Step 3: Cross multiply
    3,720.49x = 5,580.73 × 2,899.38
  4. Step 4: Simplify right side
    3,720.49x = 16,180,650.11
  5. Step 5: Solve for x
    x = 16,180,650.11/3,720.49
  6. Step 6: Final answer
    x = 4,349.07

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.