Home / 3,250.78-4,877.25-2,159.44

Finding the Fourth Proportional to 3,250.78, 4,877.25 and 2,159.44

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Solution

The fourth proportional to 3,250.78, 4,877.25 and 2,159.44 is: 3,239.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,250.78 : 4,877.25 = 2,159.44 : x
  2. Step 2: Convert to fraction form
    3,250.78/4,877.25 = 2,159.44/x
  3. Step 3: Cross multiply
    3,250.78x = 4,877.25 × 2,159.44
  4. Step 4: Simplify right side
    3,250.78x = 10,532,128.74
  5. Step 5: Solve for x
    x = 10,532,128.74/3,250.78
  6. Step 6: Final answer
    x = 3,239.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.