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Finding the Fourth Proportional to 2,505.73, 3,757.86 and 750.66

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Solution

The fourth proportional to 2,505.73, 3,757.86 and 750.66 is: 1,125.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,505.73 : 3,757.86 = 750.66 : x
  2. Step 2: Convert to fraction form
    2,505.73/3,757.86 = 750.66/x
  3. Step 3: Cross multiply
    2,505.73x = 3,757.86 × 750.66
  4. Step 4: Simplify right side
    2,505.73x = 2,820,882.23
  5. Step 5: Solve for x
    x = 2,820,882.23/2,505.73
  6. Step 6: Final answer
    x = 1,125.77

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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.