Home / 2,549.87-3,825.09-1,089.17

Finding the Fourth Proportional to 2,549.87, 3,825.09 and 1,089.17

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Solution

The fourth proportional to 2,549.87, 3,825.09 and 1,089.17 is: 1,633.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,549.87 : 3,825.09 = 1,089.17 : x
  2. Step 2: Convert to fraction form
    2,549.87/3,825.09 = 1,089.17/x
  3. Step 3: Cross multiply
    2,549.87x = 3,825.09 × 1,089.17
  4. Step 4: Simplify right side
    2,549.87x = 4,166,154.15
  5. Step 5: Solve for x
    x = 4,166,154.15/2,549.87
  6. Step 6: Final answer
    x = 1,633.87

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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.