Home / 3,912.22-5,867.84-1,572.13

Finding the Fourth Proportional to 3,912.22, 5,867.84 and 1,572.13

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Solution

The fourth proportional to 3,912.22, 5,867.84 and 1,572.13 is: 2,358.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,912.22 : 5,867.84 = 1,572.13 : x
  2. Step 2: Convert to fraction form
    3,912.22/5,867.84 = 1,572.13/x
  3. Step 3: Cross multiply
    3,912.22x = 5,867.84 × 1,572.13
  4. Step 4: Simplify right side
    3,912.22x = 9,224,996.56
  5. Step 5: Solve for x
    x = 9,224,996.56/3,912.22
  6. Step 6: Final answer
    x = 2,358.00

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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.