Home / 1,966.24-2,711.64-1,635.76

Finding the Fourth Proportional to 1,966.24, 2,711.64 and 1,635.76

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Solution

The fourth proportional to 1,966.24, 2,711.64 and 1,635.76 is: 2,255.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966.24 : 2,711.64 = 1,635.76 : x
  2. Step 2: Convert to fraction form
    1,966.24/2,711.64 = 1,635.76/x
  3. Step 3: Cross multiply
    1,966.24x = 2,711.64 × 1,635.76
  4. Step 4: Simplify right side
    1,966.24x = 4,435,592.25
  5. Step 5: Solve for x
    x = 4,435,592.25/1,966.24
  6. Step 6: Final answer
    x = 2,255.88

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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.