Home / 3,487.29-5,231.58-1,147.97

Finding the Fourth Proportional to 3,487.29, 5,231.58 and 1,147.97

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Solution

The fourth proportional to 3,487.29, 5,231.58 and 1,147.97 is: 1,722.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.29 : 5,231.58 = 1,147.97 : x
  2. Step 2: Convert to fraction form
    3,487.29/5,231.58 = 1,147.97/x
  3. Step 3: Cross multiply
    3,487.29x = 5,231.58 × 1,147.97
  4. Step 4: Simplify right side
    3,487.29x = 6,005,696.89
  5. Step 5: Solve for x
    x = 6,005,696.89/3,487.29
  6. Step 6: Final answer
    x = 1,722.17

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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.