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Finding the Fourth Proportional to 2,672.55, 4,002.84 and 1,545.44

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Solution

The fourth proportional to 2,672.55, 4,002.84 and 1,545.44 is: 2,314.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672.55 : 4,002.84 = 1,545.44 : x
  2. Step 2: Convert to fraction form
    2,672.55/4,002.84 = 1,545.44/x
  3. Step 3: Cross multiply
    2,672.55x = 4,002.84 × 1,545.44
  4. Step 4: Simplify right side
    2,672.55x = 6,186,129.04
  5. Step 5: Solve for x
    x = 6,186,129.04/2,672.55
  6. Step 6: Final answer
    x = 2,314.69

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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.