Home / 3,899.14-5,841.68-2,142.24

Finding the Fourth Proportional to 3,899.14, 5,841.68 and 2,142.24

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Solution

The fourth proportional to 3,899.14, 5,841.68 and 2,142.24 is: 3,209.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,899.14 : 5,841.68 = 2,142.24 : x
  2. Step 2: Convert to fraction form
    3,899.14/5,841.68 = 2,142.24/x
  3. Step 3: Cross multiply
    3,899.14x = 5,841.68 × 2,142.24
  4. Step 4: Simplify right side
    3,899.14x = 12,514,280.56
  5. Step 5: Solve for x
    x = 12,514,280.56/3,899.14
  6. Step 6: Final answer
    x = 3,209.50

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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.