Home / 1,591.48-2,195.40-1,197.82

Finding the Fourth Proportional to 1,591.48, 2,195.40 and 1,197.82

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Solution

The fourth proportional to 1,591.48, 2,195.40 and 1,197.82 is: 1,652.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591.48 : 2,195.40 = 1,197.82 : x
  2. Step 2: Convert to fraction form
    1,591.48/2,195.40 = 1,197.82/x
  3. Step 3: Cross multiply
    1,591.48x = 2,195.40 × 1,197.82
  4. Step 4: Simplify right side
    1,591.48x = 2,629,694.03
  5. Step 5: Solve for x
    x = 2,629,694.03/1,591.48
  6. Step 6: Final answer
    x = 1,652.36

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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.