Home / 2,265.34-3,397.62-621.50

Finding the Fourth Proportional to 2,265.34, 3,397.62 and 621.50

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Solution

The fourth proportional to 2,265.34, 3,397.62 and 621.50 is: 932.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,265.34 : 3,397.62 = 621.50 : x
  2. Step 2: Convert to fraction form
    2,265.34/3,397.62 = 621.50/x
  3. Step 3: Cross multiply
    2,265.34x = 3,397.62 × 621.50
  4. Step 4: Simplify right side
    2,265.34x = 2,111,626.70
  5. Step 5: Solve for x
    x = 2,111,626.70/2,265.34
  6. Step 6: Final answer
    x = 932.15

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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.