Home / 2,622.88-3,935.68-2,471.61

Finding the Fourth Proportional to 2,622.88, 3,935.68 and 2,471.61

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Solution

The fourth proportional to 2,622.88, 3,935.68 and 2,471.61 is: 3,708.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,622.88 : 3,935.68 = 2,471.61 : x
  2. Step 2: Convert to fraction form
    2,622.88/3,935.68 = 2,471.61/x
  3. Step 3: Cross multiply
    2,622.88x = 3,935.68 × 2,471.61
  4. Step 4: Simplify right side
    2,622.88x = 9,727,466.04
  5. Step 5: Solve for x
    x = 9,727,466.04/2,622.88
  6. Step 6: Final answer
    x = 3,708.70

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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.