Home / 2,867.18-3,951.35-2,236.71

Finding the Fourth Proportional to 2,867.18, 3,951.35 and 2,236.71

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Solution

The fourth proportional to 2,867.18, 3,951.35 and 2,236.71 is: 3,082.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867.18 : 3,951.35 = 2,236.71 : x
  2. Step 2: Convert to fraction form
    2,867.18/3,951.35 = 2,236.71/x
  3. Step 3: Cross multiply
    2,867.18x = 3,951.35 × 2,236.71
  4. Step 4: Simplify right side
    2,867.18x = 8,838,006.45
  5. Step 5: Solve for x
    x = 8,838,006.45/2,867.18
  6. Step 6: Final answer
    x = 3,082.47

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1.5x scale

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.