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Finding the Fourth Proportional to 2,471.95, 3,704.74 and 1,545.21

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Solution

The fourth proportional to 2,471.95, 3,704.74 and 1,545.21 is: 2,315.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,471.95 : 3,704.74 = 1,545.21 : x
  2. Step 2: Convert to fraction form
    2,471.95/3,704.74 = 1,545.21/x
  3. Step 3: Cross multiply
    2,471.95x = 3,704.74 × 1,545.21
  4. Step 4: Simplify right side
    2,471.95x = 5,724,597.43
  5. Step 5: Solve for x
    x = 5,724,597.43/2,471.95
  6. Step 6: Final answer
    x = 2,315.82

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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.