Home / 3,517.29-5,271.86-1,324.62

Finding the Fourth Proportional to 3,517.29, 5,271.86 and 1,324.62

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Solution

The fourth proportional to 3,517.29, 5,271.86 and 1,324.62 is: 1,985.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,517.29 : 5,271.86 = 1,324.62 : x
  2. Step 2: Convert to fraction form
    3,517.29/5,271.86 = 1,324.62/x
  3. Step 3: Cross multiply
    3,517.29x = 5,271.86 × 1,324.62
  4. Step 4: Simplify right side
    3,517.29x = 6,983,204.57
  5. Step 5: Solve for x
    x = 6,983,204.57/3,517.29
  6. Step 6: Final answer
    x = 1,985.39

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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.