Home / 2,265.05-3,397.51-621.58

Finding the Fourth Proportional to 2,265.05, 3,397.51 and 621.58

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Solution

The fourth proportional to 2,265.05, 3,397.51 and 621.58 is: 932.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,265.05 : 3,397.51 = 621.58 : x
  2. Step 2: Convert to fraction form
    2,265.05/3,397.51 = 621.58/x
  3. Step 3: Cross multiply
    2,265.05x = 3,397.51 × 621.58
  4. Step 4: Simplify right side
    2,265.05x = 2,111,824.27
  5. Step 5: Solve for x
    x = 2,111,824.27/2,265.05
  6. Step 6: Final answer
    x = 932.35

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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.