Home / 3,204.80-4,422.63-1,878.24

Finding the Fourth Proportional to 3,204.80, 4,422.63 and 1,878.24

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Solution

The fourth proportional to 3,204.80, 4,422.63 and 1,878.24 is: 2,591.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,204.80 : 4,422.63 = 1,878.24 : x
  2. Step 2: Convert to fraction form
    3,204.80/4,422.63 = 1,878.24/x
  3. Step 3: Cross multiply
    3,204.80x = 4,422.63 × 1,878.24
  4. Step 4: Simplify right side
    3,204.80x = 8,306,760.57
  5. Step 5: Solve for x
    x = 8,306,760.57/3,204.80
  6. Step 6: Final answer
    x = 2,591.97

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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.