Home / 2,132.16-3,195.78-1,159.08

Finding the Fourth Proportional to 2,132.16, 3,195.78 and 1,159.08

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Solution

The fourth proportional to 2,132.16, 3,195.78 and 1,159.08 is: 1,737.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132.16 : 3,195.78 = 1,159.08 : x
  2. Step 2: Convert to fraction form
    2,132.16/3,195.78 = 1,159.08/x
  3. Step 3: Cross multiply
    2,132.16x = 3,195.78 × 1,159.08
  4. Step 4: Simplify right side
    2,132.16x = 3,704,164.68
  5. Step 5: Solve for x
    x = 3,704,164.68/2,132.16
  6. Step 6: Final answer
    x = 1,737.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.