Home / 3,489.29-5,233.52-1,148.72

Finding the Fourth Proportional to 3,489.29, 5,233.52 and 1,148.72

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Solution

The fourth proportional to 3,489.29, 5,233.52 and 1,148.72 is: 1,722.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,489.29 : 5,233.52 = 1,148.72 : x
  2. Step 2: Convert to fraction form
    3,489.29/5,233.52 = 1,148.72/x
  3. Step 3: Cross multiply
    3,489.29x = 5,233.52 × 1,148.72
  4. Step 4: Simplify right side
    3,489.29x = 6,011,817.18
  5. Step 5: Solve for x
    x = 6,011,817.18/3,489.29
  6. Step 6: Final answer
    x = 1,722.94

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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.