Home / 3,615.31-5,397.06-3,455.74

Finding the Fourth Proportional to 3,615.31, 5,397.06 and 3,455.74

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Solution

The fourth proportional to 3,615.31, 5,397.06 and 3,455.74 is: 5,158.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615.31 : 5,397.06 = 3,455.74 : x
  2. Step 2: Convert to fraction form
    3,615.31/5,397.06 = 3,455.74/x
  3. Step 3: Cross multiply
    3,615.31x = 5,397.06 × 3,455.74
  4. Step 4: Simplify right side
    3,615.31x = 18,650,836.12
  5. Step 5: Solve for x
    x = 18,650,836.12/3,615.31
  6. Step 6: Final answer
    x = 5,158.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.