Home / 3,975.12-5,955.96-2,515.92

Finding the Fourth Proportional to 3,975.12, 5,955.96 and 2,515.92

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Solution

The fourth proportional to 3,975.12, 5,955.96 and 2,515.92 is: 3,769.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975.12 : 5,955.96 = 2,515.92 : x
  2. Step 2: Convert to fraction form
    3,975.12/5,955.96 = 2,515.92/x
  3. Step 3: Cross multiply
    3,975.12x = 5,955.96 × 2,515.92
  4. Step 4: Simplify right side
    3,975.12x = 14,984,718.88
  5. Step 5: Solve for x
    x = 14,984,718.88/3,975.12
  6. Step 6: Final answer
    x = 3,769.63

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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.