Home / 2,839.14-4,253.82-2,215.68

Finding the Fourth Proportional to 2,839.14, 4,253.82 and 2,215.68

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Solution

The fourth proportional to 2,839.14, 4,253.82 and 2,215.68 is: 3,319.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,839.14 : 4,253.82 = 2,215.68 : x
  2. Step 2: Convert to fraction form
    2,839.14/4,253.82 = 2,215.68/x
  3. Step 3: Cross multiply
    2,839.14x = 4,253.82 × 2,215.68
  4. Step 4: Simplify right side
    2,839.14x = 9,425,103.90
  5. Step 5: Solve for x
    x = 9,425,103.90/2,839.14
  6. Step 6: Final answer
    x = 3,319.70

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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.