Home / 3,449.40-4,761.82-2,124.24

Finding the Fourth Proportional to 3,449.40, 4,761.82 and 2,124.24

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Solution

The fourth proportional to 3,449.40, 4,761.82 and 2,124.24 is: 2,932.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,449.40 : 4,761.82 = 2,124.24 : x
  2. Step 2: Convert to fraction form
    3,449.40/4,761.82 = 2,124.24/x
  3. Step 3: Cross multiply
    3,449.40x = 4,761.82 × 2,124.24
  4. Step 4: Simplify right side
    3,449.40x = 10,115,248.52
  5. Step 5: Solve for x
    x = 10,115,248.52/3,449.40
  6. Step 6: Final answer
    x = 2,932.47

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1.5x scale

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.