Home / 3,472.96-5,211.57-1,830.70

Finding the Fourth Proportional to 3,472.96, 5,211.57 and 1,830.70

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Solution

The fourth proportional to 3,472.96, 5,211.57 and 1,830.70 is: 2,747.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,472.96 : 5,211.57 = 1,830.70 : x
  2. Step 2: Convert to fraction form
    3,472.96/5,211.57 = 1,830.70/x
  3. Step 3: Cross multiply
    3,472.96x = 5,211.57 × 1,830.70
  4. Step 4: Simplify right side
    3,472.96x = 9,540,821.20
  5. Step 5: Solve for x
    x = 9,540,821.20/3,472.96
  6. Step 6: Final answer
    x = 2,747.17

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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.