Home / 2,043.20-3,063.98-726.70

Finding the Fourth Proportional to 2,043.20, 3,063.98 and 726.70

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Solution

The fourth proportional to 2,043.20, 3,063.98 and 726.70 is: 1,089.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,043.20 : 3,063.98 = 726.70 : x
  2. Step 2: Convert to fraction form
    2,043.20/3,063.98 = 726.70/x
  3. Step 3: Cross multiply
    2,043.20x = 3,063.98 × 726.70
  4. Step 4: Simplify right side
    2,043.20x = 2,226,594.27
  5. Step 5: Solve for x
    x = 2,226,594.27/2,043.20
  6. Step 6: Final answer
    x = 1,089.76

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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.