Home / 3,110.40-4,663.17-1,722.87

Finding the Fourth Proportional to 3,110.40, 4,663.17 and 1,722.87

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Solution

The fourth proportional to 3,110.40, 4,663.17 and 1,722.87 is: 2,582.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.40 : 4,663.17 = 1,722.87 : x
  2. Step 2: Convert to fraction form
    3,110.40/4,663.17 = 1,722.87/x
  3. Step 3: Cross multiply
    3,110.40x = 4,663.17 × 1,722.87
  4. Step 4: Simplify right side
    3,110.40x = 8,034,035.70
  5. Step 5: Solve for x
    x = 8,034,035.70/3,110.40
  6. Step 6: Final answer
    x = 2,582.96

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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.