Home / 3,922.18-5,412.45-2,351.14

Finding the Fourth Proportional to 3,922.18, 5,412.45 and 2,351.14

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Solution

The fourth proportional to 3,922.18, 5,412.45 and 2,351.14 is: 3,244.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,922.18 : 5,412.45 = 2,351.14 : x
  2. Step 2: Convert to fraction form
    3,922.18/5,412.45 = 2,351.14/x
  3. Step 3: Cross multiply
    3,922.18x = 5,412.45 × 2,351.14
  4. Step 4: Simplify right side
    3,922.18x = 12,725,427.69
  5. Step 5: Solve for x
    x = 12,725,427.69/3,922.18
  6. Step 6: Final answer
    x = 3,244.48

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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.