Home / 3,926.60-5,419.14-2,355.08

Finding the Fourth Proportional to 3,926.60, 5,419.14 and 2,355.08

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Solution

The fourth proportional to 3,926.60, 5,419.14 and 2,355.08 is: 3,250.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926.60 : 5,419.14 = 2,355.08 : x
  2. Step 2: Convert to fraction form
    3,926.60/5,419.14 = 2,355.08/x
  3. Step 3: Cross multiply
    3,926.60x = 5,419.14 × 2,355.08
  4. Step 4: Simplify right side
    3,926.60x = 12,762,508.23
  5. Step 5: Solve for x
    x = 12,762,508.23/3,926.60
  6. Step 6: Final answer
    x = 3,250.27

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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.