Home / 2,868.24-3,958.17-1,609.12

Finding the Fourth Proportional to 2,868.24, 3,958.17 and 1,609.12

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Solution

The fourth proportional to 2,868.24, 3,958.17 and 1,609.12 is: 2,220.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,868.24 : 3,958.17 = 1,609.12 : x
  2. Step 2: Convert to fraction form
    2,868.24/3,958.17 = 1,609.12/x
  3. Step 3: Cross multiply
    2,868.24x = 3,958.17 × 1,609.12
  4. Step 4: Simplify right side
    2,868.24x = 6,369,147.16
  5. Step 5: Solve for x
    x = 6,369,147.16/2,868.24
  6. Step 6: Final answer
    x = 2,220.58

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Half scale
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Double scale
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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.