Home / 3,007.20-4,499.71-1,821.92

Finding the Fourth Proportional to 3,007.20, 4,499.71 and 1,821.92

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Solution

The fourth proportional to 3,007.20, 4,499.71 and 1,821.92 is: 2,726.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,007.20 : 4,499.71 = 1,821.92 : x
  2. Step 2: Convert to fraction form
    3,007.20/4,499.71 = 1,821.92/x
  3. Step 3: Cross multiply
    3,007.20x = 4,499.71 × 1,821.92
  4. Step 4: Simplify right side
    3,007.20x = 8,198,118.34
  5. Step 5: Solve for x
    x = 8,198,118.34/3,007.20
  6. Step 6: Final answer
    x = 2,726.16

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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.