Home / 3,400.71-5,101.19-935.72

Finding the Fourth Proportional to 3,400.71, 5,101.19 and 935.72

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Solution

The fourth proportional to 3,400.71, 5,101.19 and 935.72 is: 1,403.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400.71 : 5,101.19 = 935.72 : x
  2. Step 2: Convert to fraction form
    3,400.71/5,101.19 = 935.72/x
  3. Step 3: Cross multiply
    3,400.71x = 5,101.19 × 935.72
  4. Step 4: Simplify right side
    3,400.71x = 4,773,300.60
  5. Step 5: Solve for x
    x = 4,773,300.60/3,400.71
  6. Step 6: Final answer
    x = 1,403.62

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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.