Home / 3,385.75-5,076.87-1,306.48

Finding the Fourth Proportional to 3,385.75, 5,076.87 and 1,306.48

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Solution

The fourth proportional to 3,385.75, 5,076.87 and 1,306.48 is: 1,959.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,385.75 : 5,076.87 = 1,306.48 : x
  2. Step 2: Convert to fraction form
    3,385.75/5,076.87 = 1,306.48/x
  3. Step 3: Cross multiply
    3,385.75x = 5,076.87 × 1,306.48
  4. Step 4: Simplify right side
    3,385.75x = 6,632,829.12
  5. Step 5: Solve for x
    x = 6,632,829.12/3,385.75
  6. Step 6: Final answer
    x = 1,959.04

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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.