Home / 3,926.79-5,418.96-2,248.17

Finding the Fourth Proportional to 3,926.79, 5,418.96 and 2,248.17

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Solution

The fourth proportional to 3,926.79, 5,418.96 and 2,248.17 is: 3,102.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926.79 : 5,418.96 = 2,248.17 : x
  2. Step 2: Convert to fraction form
    3,926.79/5,418.96 = 2,248.17/x
  3. Step 3: Cross multiply
    3,926.79x = 5,418.96 × 2,248.17
  4. Step 4: Simplify right side
    3,926.79x = 12,182,714.55
  5. Step 5: Solve for x
    x = 12,182,714.55/3,926.79
  6. Step 6: Final answer
    x = 3,102.46

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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.