Home / 2,116.76-2,917.46-1,591.88

Finding the Fourth Proportional to 2,116.76, 2,917.46 and 1,591.88

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Solution

The fourth proportional to 2,116.76, 2,917.46 and 1,591.88 is: 2,194.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116.76 : 2,917.46 = 1,591.88 : x
  2. Step 2: Convert to fraction form
    2,116.76/2,917.46 = 1,591.88/x
  3. Step 3: Cross multiply
    2,116.76x = 2,917.46 × 1,591.88
  4. Step 4: Simplify right side
    2,116.76x = 4,644,246.22
  5. Step 5: Solve for x
    x = 4,644,246.22/2,116.76
  6. Step 6: Final answer
    x = 2,194.04

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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.