Home / 3,926.89-5,419.08-2,355.88

Finding the Fourth Proportional to 3,926.89, 5,419.08 and 2,355.88

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Solution

The fourth proportional to 3,926.89, 5,419.08 and 2,355.88 is: 3,251.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926.89 : 5,419.08 = 2,355.88 : x
  2. Step 2: Convert to fraction form
    3,926.89/5,419.08 = 2,355.88/x
  3. Step 3: Cross multiply
    3,926.89x = 5,419.08 × 2,355.88
  4. Step 4: Simplify right side
    3,926.89x = 12,766,702.19
  5. Step 5: Solve for x
    x = 12,766,702.19/3,926.89
  6. Step 6: Final answer
    x = 3,251.10

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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.