Home / 3,304.71-4,565.16-2,640.78

Finding the Fourth Proportional to 3,304.71, 4,565.16 and 2,640.78

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Solution

The fourth proportional to 3,304.71, 4,565.16 and 2,640.78 is: 3,648.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,304.71 : 4,565.16 = 2,640.78 : x
  2. Step 2: Convert to fraction form
    3,304.71/4,565.16 = 2,640.78/x
  3. Step 3: Cross multiply
    3,304.71x = 4,565.16 × 2,640.78
  4. Step 4: Simplify right side
    3,304.71x = 12,055,583.22
  5. Step 5: Solve for x
    x = 12,055,583.22/3,304.71
  6. Step 6: Final answer
    x = 3,648.00

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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.