Home / 2,132.87-3,200.58-1,159.11

Finding the Fourth Proportional to 2,132.87, 3,200.58 and 1,159.11

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Solution

The fourth proportional to 2,132.87, 3,200.58 and 1,159.11 is: 1,739.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132.87 : 3,200.58 = 1,159.11 : x
  2. Step 2: Convert to fraction form
    2,132.87/3,200.58 = 1,159.11/x
  3. Step 3: Cross multiply
    2,132.87x = 3,200.58 × 1,159.11
  4. Step 4: Simplify right side
    2,132.87x = 3,709,824.28
  5. Step 5: Solve for x
    x = 3,709,824.28/2,132.87
  6. Step 6: Final answer
    x = 1,739.36

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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.