Home / 3,542.12-4,876.96-3,009.88

Finding the Fourth Proportional to 3,542.12, 4,876.96 and 3,009.88

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Solution

The fourth proportional to 3,542.12, 4,876.96 and 3,009.88 is: 4,144.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,542.12 : 4,876.96 = 3,009.88 : x
  2. Step 2: Convert to fraction form
    3,542.12/4,876.96 = 3,009.88/x
  3. Step 3: Cross multiply
    3,542.12x = 4,876.96 × 3,009.88
  4. Step 4: Simplify right side
    3,542.12x = 14,679,064.36
  5. Step 5: Solve for x
    x = 14,679,064.36/3,542.12
  6. Step 6: Final answer
    x = 4,144.15

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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.