Home / 1,373.38-2,060.66-911.32

Finding the Fourth Proportional to 1,373.38, 2,060.66 and 911.32

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Solution

The fourth proportional to 1,373.38, 2,060.66 and 911.32 is: 1,367.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373.38 : 2,060.66 = 911.32 : x
  2. Step 2: Convert to fraction form
    1,373.38/2,060.66 = 911.32/x
  3. Step 3: Cross multiply
    1,373.38x = 2,060.66 × 911.32
  4. Step 4: Simplify right side
    1,373.38x = 1,877,920.67
  5. Step 5: Solve for x
    x = 1,877,920.67/1,373.38
  6. Step 6: Final answer
    x = 1,367.37

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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.