Home / 2,242.31-3,364.13-1,147.43

Finding the Fourth Proportional to 2,242.31, 3,364.13 and 1,147.43

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Solution

The fourth proportional to 2,242.31, 3,364.13 and 1,147.43 is: 1,721.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,242.31 : 3,364.13 = 1,147.43 : x
  2. Step 2: Convert to fraction form
    2,242.31/3,364.13 = 1,147.43/x
  3. Step 3: Cross multiply
    2,242.31x = 3,364.13 × 1,147.43
  4. Step 4: Simplify right side
    2,242.31x = 3,860,114.96
  5. Step 5: Solve for x
    x = 3,860,114.96/2,242.31
  6. Step 6: Final answer
    x = 1,721.49

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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.