Home / 3,747.85-5,169.34-2,862.11

Finding the Fourth Proportional to 3,747.85, 5,169.34 and 2,862.11

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Solution

The fourth proportional to 3,747.85, 5,169.34 and 2,862.11 is: 3,947.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.85 : 5,169.34 = 2,862.11 : x
  2. Step 2: Convert to fraction form
    3,747.85/5,169.34 = 2,862.11/x
  3. Step 3: Cross multiply
    3,747.85x = 5,169.34 × 2,862.11
  4. Step 4: Simplify right side
    3,747.85x = 14,795,219.71
  5. Step 5: Solve for x
    x = 14,795,219.71/3,747.85
  6. Step 6: Final answer
    x = 3,947.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.