Home / 3,865.85-5,334.89-2,373.76

Finding the Fourth Proportional to 3,865.85, 5,334.89 and 2,373.76

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Solution

The fourth proportional to 3,865.85, 5,334.89 and 2,373.76 is: 3,275.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,865.85 : 5,334.89 = 2,373.76 : x
  2. Step 2: Convert to fraction form
    3,865.85/5,334.89 = 2,373.76/x
  3. Step 3: Cross multiply
    3,865.85x = 5,334.89 × 2,373.76
  4. Step 4: Simplify right side
    3,865.85x = 12,663,719.95
  5. Step 5: Solve for x
    x = 12,663,719.95/3,865.85
  6. Step 6: Final answer
    x = 3,275.79

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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.