Home / 3,542.20-5,306.10-2,894.20

Finding the Fourth Proportional to 3,542.20, 5,306.10 and 2,894.20

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Solution

The fourth proportional to 3,542.20, 5,306.10 and 2,894.20 is: 4,335.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,542.20 : 5,306.10 = 2,894.20 : x
  2. Step 2: Convert to fraction form
    3,542.20/5,306.10 = 2,894.20/x
  3. Step 3: Cross multiply
    3,542.20x = 5,306.10 × 2,894.20
  4. Step 4: Simplify right side
    3,542.20x = 15,356,914.62
  5. Step 5: Solve for x
    x = 15,356,914.62/3,542.20
  6. Step 6: Final answer
    x = 4,335.42

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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.