Home / 1,301.28-1,793.76-1,273.60

Finding the Fourth Proportional to 1,301.28, 1,793.76 and 1,273.60

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Solution

The fourth proportional to 1,301.28, 1,793.76 and 1,273.60 is: 1,755.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301.28 : 1,793.76 = 1,273.60 : x
  2. Step 2: Convert to fraction form
    1,301.28/1,793.76 = 1,273.60/x
  3. Step 3: Cross multiply
    1,301.28x = 1,793.76 × 1,273.60
  4. Step 4: Simplify right side
    1,301.28x = 2,284,532.74
  5. Step 5: Solve for x
    x = 2,284,532.74/1,301.28
  6. Step 6: Final answer
    x = 1,755.60

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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.