Home / 2,989.38-4,482.52-1,757.16

Finding the Fourth Proportional to 2,989.38, 4,482.52 and 1,757.16

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Solution

The fourth proportional to 2,989.38, 4,482.52 and 1,757.16 is: 2,634.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989.38 : 4,482.52 = 1,757.16 : x
  2. Step 2: Convert to fraction form
    2,989.38/4,482.52 = 1,757.16/x
  3. Step 3: Cross multiply
    2,989.38x = 4,482.52 × 1,757.16
  4. Step 4: Simplify right side
    2,989.38x = 7,876,504.84
  5. Step 5: Solve for x
    x = 7,876,504.84/2,989.38
  6. Step 6: Final answer
    x = 2,634.83

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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.