Home / 3,610.29-5,419.53-2,425.20

Finding the Fourth Proportional to 3,610.29, 5,419.53 and 2,425.20

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Solution

The fourth proportional to 3,610.29, 5,419.53 and 2,425.20 is: 3,640.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610.29 : 5,419.53 = 2,425.20 : x
  2. Step 2: Convert to fraction form
    3,610.29/5,419.53 = 2,425.20/x
  3. Step 3: Cross multiply
    3,610.29x = 5,419.53 × 2,425.20
  4. Step 4: Simplify right side
    3,610.29x = 13,143,444.16
  5. Step 5: Solve for x
    x = 13,143,444.16/3,610.29
  6. Step 6: Final answer
    x = 3,640.55

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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.