Home / 3,328.64-4,589.72-2,132.04

Finding the Fourth Proportional to 3,328.64, 4,589.72 and 2,132.04

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Solution

The fourth proportional to 3,328.64, 4,589.72 and 2,132.04 is: 2,939.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328.64 : 4,589.72 = 2,132.04 : x
  2. Step 2: Convert to fraction form
    3,328.64/4,589.72 = 2,132.04/x
  3. Step 3: Cross multiply
    3,328.64x = 4,589.72 × 2,132.04
  4. Step 4: Simplify right side
    3,328.64x = 9,785,466.63
  5. Step 5: Solve for x
    x = 9,785,466.63/3,328.64
  6. Step 6: Final answer
    x = 2,939.78

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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.