Home / 2,491.32-3,438.57-1,951.88

Finding the Fourth Proportional to 2,491.32, 3,438.57 and 1,951.88

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Solution

The fourth proportional to 2,491.32, 3,438.57 and 1,951.88 is: 2,694.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,491.32 : 3,438.57 = 1,951.88 : x
  2. Step 2: Convert to fraction form
    2,491.32/3,438.57 = 1,951.88/x
  3. Step 3: Cross multiply
    2,491.32x = 3,438.57 × 1,951.88
  4. Step 4: Simplify right side
    2,491.32x = 6,711,676.01
  5. Step 5: Solve for x
    x = 6,711,676.01/2,491.32
  6. Step 6: Final answer
    x = 2,694.02

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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.