Home / 3,972.88-5,960.40-1,376.02

Finding the Fourth Proportional to 3,972.88, 5,960.40 and 1,376.02

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Solution

The fourth proportional to 3,972.88, 5,960.40 and 1,376.02 is: 2,064.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.88 : 5,960.40 = 1,376.02 : x
  2. Step 2: Convert to fraction form
    3,972.88/5,960.40 = 1,376.02/x
  3. Step 3: Cross multiply
    3,972.88x = 5,960.40 × 1,376.02
  4. Step 4: Simplify right side
    3,972.88x = 8,201,629.61
  5. Step 5: Solve for x
    x = 8,201,629.61/3,972.88
  6. Step 6: Final answer
    x = 2,064.40

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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.