Home / 3,926.47-5,418.66-2,248.42

Finding the Fourth Proportional to 3,926.47, 5,418.66 and 2,248.42

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Solution

The fourth proportional to 3,926.47, 5,418.66 and 2,248.42 is: 3,102.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926.47 : 5,418.66 = 2,248.42 : x
  2. Step 2: Convert to fraction form
    3,926.47/5,418.66 = 2,248.42/x
  3. Step 3: Cross multiply
    3,926.47x = 5,418.66 × 2,248.42
  4. Step 4: Simplify right side
    3,926.47x = 12,183,423.52
  5. Step 5: Solve for x
    x = 12,183,423.52/3,926.47
  6. Step 6: Final answer
    x = 3,102.89

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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.