Home / 2,265.26-3,397.80-621.92

Finding the Fourth Proportional to 2,265.26, 3,397.80 and 621.92

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Solution

The fourth proportional to 2,265.26, 3,397.80 and 621.92 is: 932.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,265.26 : 3,397.80 = 621.92 : x
  2. Step 2: Convert to fraction form
    2,265.26/3,397.80 = 621.92/x
  3. Step 3: Cross multiply
    2,265.26x = 3,397.80 × 621.92
  4. Step 4: Simplify right side
    2,265.26x = 2,113,159.78
  5. Step 5: Solve for x
    x = 2,113,159.78/2,265.26
  6. Step 6: Final answer
    x = 932.86

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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.