Home / 1,591.66-2,195.94-1,001.98

Finding the Fourth Proportional to 1,591.66, 2,195.94 and 1,001.98

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Solution

The fourth proportional to 1,591.66, 2,195.94 and 1,001.98 is: 1,382.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591.66 : 2,195.94 = 1,001.98 : x
  2. Step 2: Convert to fraction form
    1,591.66/2,195.94 = 1,001.98/x
  3. Step 3: Cross multiply
    1,591.66x = 2,195.94 × 1,001.98
  4. Step 4: Simplify right side
    1,591.66x = 2,200,287.96
  5. Step 5: Solve for x
    x = 2,200,287.96/1,591.66
  6. Step 6: Final answer
    x = 1,382.39

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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.