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Finding the Fourth Proportional to 2,757.66, 4,129.40 and 1,523.70

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Solution

The fourth proportional to 2,757.66, 4,129.40 and 1,523.70 is: 2,281.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,757.66 : 4,129.40 = 1,523.70 : x
  2. Step 2: Convert to fraction form
    2,757.66/4,129.40 = 1,523.70/x
  3. Step 3: Cross multiply
    2,757.66x = 4,129.40 × 1,523.70
  4. Step 4: Simplify right side
    2,757.66x = 6,291,966.78
  5. Step 5: Solve for x
    x = 6,291,966.78/2,757.66
  6. Step 6: Final answer
    x = 2,281.63

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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.