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Finding the Fourth Proportional to 1,350.01, 2,025.35 and 425.53

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Solution

The fourth proportional to 1,350.01, 2,025.35 and 425.53 is: 638.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350.01 : 2,025.35 = 425.53 : x
  2. Step 2: Convert to fraction form
    1,350.01/2,025.35 = 425.53/x
  3. Step 3: Cross multiply
    1,350.01x = 2,025.35 × 425.53
  4. Step 4: Simplify right side
    1,350.01x = 861,834.93
  5. Step 5: Solve for x
    x = 861,834.93/1,350.01
  6. Step 6: Final answer
    x = 638.39

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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.