Home / 3,119.92-4,677.57-1,474.55

Finding the Fourth Proportional to 3,119.92, 4,677.57 and 1,474.55

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Solution

The fourth proportional to 3,119.92, 4,677.57 and 1,474.55 is: 2,210.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119.92 : 4,677.57 = 1,474.55 : x
  2. Step 2: Convert to fraction form
    3,119.92/4,677.57 = 1,474.55/x
  3. Step 3: Cross multiply
    3,119.92x = 4,677.57 × 1,474.55
  4. Step 4: Simplify right side
    3,119.92x = 6,897,287.46
  5. Step 5: Solve for x
    x = 6,897,287.46/3,119.92
  6. Step 6: Final answer
    x = 2,210.73

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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.