Home / 3,304.32-4,560.40-2,128.82

Finding the Fourth Proportional to 3,304.32, 4,560.40 and 2,128.82

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Solution

The fourth proportional to 3,304.32, 4,560.40 and 2,128.82 is: 2,938.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,304.32 : 4,560.40 = 2,128.82 : x
  2. Step 2: Convert to fraction form
    3,304.32/4,560.40 = 2,128.82/x
  3. Step 3: Cross multiply
    3,304.32x = 4,560.40 × 2,128.82
  4. Step 4: Simplify right side
    3,304.32x = 9,708,270.73
  5. Step 5: Solve for x
    x = 9,708,270.73/3,304.32
  6. Step 6: Final answer
    x = 2,938.05

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1.5x scale

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.