Home / 3,926.41-5,418.66-2,248.32

Finding the Fourth Proportional to 3,926.41, 5,418.66 and 2,248.32

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Solution

The fourth proportional to 3,926.41, 5,418.66 and 2,248.32 is: 3,102.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926.41 : 5,418.66 = 2,248.32 : x
  2. Step 2: Convert to fraction form
    3,926.41/5,418.66 = 2,248.32/x
  3. Step 3: Cross multiply
    3,926.41x = 5,418.66 × 2,248.32
  4. Step 4: Simplify right side
    3,926.41x = 12,182,910.40
  5. Step 5: Solve for x
    x = 12,182,910.40/3,926.41
  6. Step 6: Final answer
    x = 3,102.81

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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.