Home / 2,721.24-3,730.85-2,672.03

Finding the Fourth Proportional to 2,721.24, 3,730.85 and 2,672.03

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Solution

The fourth proportional to 2,721.24, 3,730.85 and 2,672.03 is: 3,663.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721.24 : 3,730.85 = 2,672.03 : x
  2. Step 2: Convert to fraction form
    2,721.24/3,730.85 = 2,672.03/x
  3. Step 3: Cross multiply
    2,721.24x = 3,730.85 × 2,672.03
  4. Step 4: Simplify right side
    2,721.24x = 9,968,943.13
  5. Step 5: Solve for x
    x = 9,968,943.13/2,721.24
  6. Step 6: Final answer
    x = 3,663.38

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.