Home / 3,325.64-4,589.40-2,278.04

Finding the Fourth Proportional to 3,325.64, 4,589.40 and 2,278.04

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Solution

The fourth proportional to 3,325.64, 4,589.40 and 2,278.04 is: 3,143.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,325.64 : 4,589.40 = 2,278.04 : x
  2. Step 2: Convert to fraction form
    3,325.64/4,589.40 = 2,278.04/x
  3. Step 3: Cross multiply
    3,325.64x = 4,589.40 × 2,278.04
  4. Step 4: Simplify right side
    3,325.64x = 10,454,836.78
  5. Step 5: Solve for x
    x = 10,454,836.78/3,325.64
  6. Step 6: Final answer
    x = 3,143.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.