Home / 2,447.20-3,376.49-1,451.66

Finding the Fourth Proportional to 2,447.20, 3,376.49 and 1,451.66

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Solution

The fourth proportional to 2,447.20, 3,376.49 and 1,451.66 is: 2,002.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,447.20 : 3,376.49 = 1,451.66 : x
  2. Step 2: Convert to fraction form
    2,447.20/3,376.49 = 1,451.66/x
  3. Step 3: Cross multiply
    2,447.20x = 3,376.49 × 1,451.66
  4. Step 4: Simplify right side
    2,447.20x = 4,901,515.47
  5. Step 5: Solve for x
    x = 4,901,515.47/2,447.20
  6. Step 6: Final answer
    x = 2,002.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.