Home / 2,877.45-3,974.25-2,304.55

Finding the Fourth Proportional to 2,877.45, 3,974.25 and 2,304.55

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Solution

The fourth proportional to 2,877.45, 3,974.25 and 2,304.55 is: 3,182.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877.45 : 3,974.25 = 2,304.55 : x
  2. Step 2: Convert to fraction form
    2,877.45/3,974.25 = 2,304.55/x
  3. Step 3: Cross multiply
    2,877.45x = 3,974.25 × 2,304.55
  4. Step 4: Simplify right side
    2,877.45x = 9,158,857.84
  5. Step 5: Solve for x
    x = 9,158,857.84/2,877.45
  6. Step 6: Final answer
    x = 3,182.98

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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.