Home / 3,007.20-4,499.70-1,821.93

Finding the Fourth Proportional to 3,007.20, 4,499.70 and 1,821.93

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Solution

The fourth proportional to 3,007.20, 4,499.70 and 1,821.93 is: 2,726.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,007.20 : 4,499.70 = 1,821.93 : x
  2. Step 2: Convert to fraction form
    3,007.20/4,499.70 = 1,821.93/x
  3. Step 3: Cross multiply
    3,007.20x = 4,499.70 × 1,821.93
  4. Step 4: Simplify right side
    3,007.20x = 8,198,138.42
  5. Step 5: Solve for x
    x = 8,198,138.42/3,007.20
  6. Step 6: Final answer
    x = 2,726.17

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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.