Home / 3,391.71-5,087.51-3,307.95

Finding the Fourth Proportional to 3,391.71, 5,087.51 and 3,307.95

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Solution

The fourth proportional to 3,391.71, 5,087.51 and 3,307.95 is: 4,961.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.71 : 5,087.51 = 3,307.95 : x
  2. Step 2: Convert to fraction form
    3,391.71/5,087.51 = 3,307.95/x
  3. Step 3: Cross multiply
    3,391.71x = 5,087.51 × 3,307.95
  4. Step 4: Simplify right side
    3,391.71x = 16,829,243.18
  5. Step 5: Solve for x
    x = 16,829,243.18/3,391.71
  6. Step 6: Final answer
    x = 4,961.88

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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.