Home / 3,750.60-5,631.30-2,929.80

Finding the Fourth Proportional to 3,750.60, 5,631.30 and 2,929.80

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Solution

The fourth proportional to 3,750.60, 5,631.30 and 2,929.80 is: 4,398.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.60 : 5,631.30 = 2,929.80 : x
  2. Step 2: Convert to fraction form
    3,750.60/5,631.30 = 2,929.80/x
  3. Step 3: Cross multiply
    3,750.60x = 5,631.30 × 2,929.80
  4. Step 4: Simplify right side
    3,750.60x = 16,498,582.74
  5. Step 5: Solve for x
    x = 16,498,582.74/3,750.60
  6. Step 6: Final answer
    x = 4,398.92

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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.