Home / 2,172.62-3,260.68-1,132.94

Finding the Fourth Proportional to 2,172.62, 3,260.68 and 1,132.94

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Solution

The fourth proportional to 2,172.62, 3,260.68 and 1,132.94 is: 1,700.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172.62 : 3,260.68 = 1,132.94 : x
  2. Step 2: Convert to fraction form
    2,172.62/3,260.68 = 1,132.94/x
  3. Step 3: Cross multiply
    2,172.62x = 3,260.68 × 1,132.94
  4. Step 4: Simplify right side
    2,172.62x = 3,694,154.80
  5. Step 5: Solve for x
    x = 3,694,154.80/2,172.62
  6. Step 6: Final answer
    x = 1,700.32

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1.5x scale

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.