Home / 3,024.30-4,172.67-2,721.90

Finding the Fourth Proportional to 3,024.30, 4,172.67 and 2,721.90

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Solution

The fourth proportional to 3,024.30, 4,172.67 and 2,721.90 is: 3,755.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,024.30 : 4,172.67 = 2,721.90 : x
  2. Step 2: Convert to fraction form
    3,024.30/4,172.67 = 2,721.90/x
  3. Step 3: Cross multiply
    3,024.30x = 4,172.67 × 2,721.90
  4. Step 4: Simplify right side
    3,024.30x = 11,357,590.47
  5. Step 5: Solve for x
    x = 11,357,590.47/3,024.30
  6. Step 6: Final answer
    x = 3,755.44

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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.