Home / 3,956.90-5,961.74-3,582.12

Finding the Fourth Proportional to 3,956.90, 5,961.74 and 3,582.12

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Solution

The fourth proportional to 3,956.90, 5,961.74 and 3,582.12 is: 5,397.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,956.90 : 5,961.74 = 3,582.12 : x
  2. Step 2: Convert to fraction form
    3,956.90/5,961.74 = 3,582.12/x
  3. Step 3: Cross multiply
    3,956.90x = 5,961.74 × 3,582.12
  4. Step 4: Simplify right side
    3,956.90x = 21,355,677.04
  5. Step 5: Solve for x
    x = 21,355,677.04/3,956.90
  6. Step 6: Final answer
    x = 5,397.07

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.