Home / 1,150.18-1,721.82-1,125.48

Finding the Fourth Proportional to 1,150.18, 1,721.82 and 1,125.48

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Solution

The fourth proportional to 1,150.18, 1,721.82 and 1,125.48 is: 1,684.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150.18 : 1,721.82 = 1,125.48 : x
  2. Step 2: Convert to fraction form
    1,150.18/1,721.82 = 1,125.48/x
  3. Step 3: Cross multiply
    1,150.18x = 1,721.82 × 1,125.48
  4. Step 4: Simplify right side
    1,150.18x = 1,937,873.97
  5. Step 5: Solve for x
    x = 1,937,873.97/1,150.18
  6. Step 6: Final answer
    x = 1,684.84

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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.