Home / 3,542.40-4,886.64-2,144.88

Finding the Fourth Proportional to 3,542.40, 4,886.64 and 2,144.88

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Solution

The fourth proportional to 3,542.40, 4,886.64 and 2,144.88 is: 2,958.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,542.40 : 4,886.64 = 2,144.88 : x
  2. Step 2: Convert to fraction form
    3,542.40/4,886.64 = 2,144.88/x
  3. Step 3: Cross multiply
    3,542.40x = 4,886.64 × 2,144.88
  4. Step 4: Simplify right side
    3,542.40x = 10,481,256.40
  5. Step 5: Solve for x
    x = 10,481,256.40/3,542.40
  6. Step 6: Final answer
    x = 2,958.80

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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.