Home / 1,748.20-2,621.92-1,545.72

Finding the Fourth Proportional to 1,748.20, 2,621.92 and 1,545.72

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Solution

The fourth proportional to 1,748.20, 2,621.92 and 1,545.72 is: 2,318.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,748.20 : 2,621.92 = 1,545.72 : x
  2. Step 2: Convert to fraction form
    1,748.20/2,621.92 = 1,545.72/x
  3. Step 3: Cross multiply
    1,748.20x = 2,621.92 × 1,545.72
  4. Step 4: Simplify right side
    1,748.20x = 4,052,754.18
  5. Step 5: Solve for x
    x = 4,052,754.18/1,748.20
  6. Step 6: Final answer
    x = 2,318.24

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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.