Home / 3,338.95-5,008.76-1,147.39

Finding the Fourth Proportional to 3,338.95, 5,008.76 and 1,147.39

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Solution

The fourth proportional to 3,338.95, 5,008.76 and 1,147.39 is: 1,721.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,338.95 : 5,008.76 = 1,147.39 : x
  2. Step 2: Convert to fraction form
    3,338.95/5,008.76 = 1,147.39/x
  3. Step 3: Cross multiply
    3,338.95x = 5,008.76 × 1,147.39
  4. Step 4: Simplify right side
    3,338.95x = 5,746,982.88
  5. Step 5: Solve for x
    x = 5,746,982.88/3,338.95
  6. Step 6: Final answer
    x = 1,721.20

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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.