Home / 3,204.45-4,422.16-1,878.18

Finding the Fourth Proportional to 3,204.45, 4,422.16 and 1,878.18

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Solution

The fourth proportional to 3,204.45, 4,422.16 and 1,878.18 is: 2,591.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,204.45 : 4,422.16 = 1,878.18 : x
  2. Step 2: Convert to fraction form
    3,204.45/4,422.16 = 1,878.18/x
  3. Step 3: Cross multiply
    3,204.45x = 4,422.16 × 1,878.18
  4. Step 4: Simplify right side
    3,204.45x = 8,305,612.47
  5. Step 5: Solve for x
    x = 8,305,612.47/3,204.45
  6. Step 6: Final answer
    x = 2,591.90

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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.