Home / 3,922.95-5,885.57-1,581.75

Finding the Fourth Proportional to 3,922.95, 5,885.57 and 1,581.75

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Solution

The fourth proportional to 3,922.95, 5,885.57 and 1,581.75 is: 2,373.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,922.95 : 5,885.57 = 1,581.75 : x
  2. Step 2: Convert to fraction form
    3,922.95/5,885.57 = 1,581.75/x
  3. Step 3: Cross multiply
    3,922.95x = 5,885.57 × 1,581.75
  4. Step 4: Simplify right side
    3,922.95x = 9,309,500.35
  5. Step 5: Solve for x
    x = 9,309,500.35/3,922.95
  6. Step 6: Final answer
    x = 2,373.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.