Home / 3,746.85-5,167.96-2,861.11

Finding the Fourth Proportional to 3,746.85, 5,167.96 and 2,861.11

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Solution

The fourth proportional to 3,746.85, 5,167.96 and 2,861.11 is: 3,946.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,746.85 : 5,167.96 = 2,861.11 : x
  2. Step 2: Convert to fraction form
    3,746.85/5,167.96 = 2,861.11/x
  3. Step 3: Cross multiply
    3,746.85x = 5,167.96 × 2,861.11
  4. Step 4: Simplify right side
    3,746.85x = 14,786,102.04
  5. Step 5: Solve for x
    x = 14,786,102.04/3,746.85
  6. Step 6: Final answer
    x = 3,946.28

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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.