Home / 2,265.12-3,397.12-621.59

Finding the Fourth Proportional to 2,265.12, 3,397.12 and 621.59

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Solution

The fourth proportional to 2,265.12, 3,397.12 and 621.59 is: 932.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,265.12 : 3,397.12 = 621.59 : x
  2. Step 2: Convert to fraction form
    2,265.12/3,397.12 = 621.59/x
  3. Step 3: Cross multiply
    2,265.12x = 3,397.12 × 621.59
  4. Step 4: Simplify right side
    2,265.12x = 2,111,597.28
  5. Step 5: Solve for x
    x = 2,111,597.28/2,265.12
  6. Step 6: Final answer
    x = 932.22

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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.