Home / 3,854.72-5,778.56-1,513.04

Finding the Fourth Proportional to 3,854.72, 5,778.56 and 1,513.04

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Solution

The fourth proportional to 3,854.72, 5,778.56 and 1,513.04 is: 2,268.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,854.72 : 5,778.56 = 1,513.04 : x
  2. Step 2: Convert to fraction form
    3,854.72/5,778.56 = 1,513.04/x
  3. Step 3: Cross multiply
    3,854.72x = 5,778.56 × 1,513.04
  4. Step 4: Simplify right side
    3,854.72x = 8,743,192.42
  5. Step 5: Solve for x
    x = 8,743,192.42/3,854.72
  6. Step 6: Final answer
    x = 2,268.18

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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.