Home / 3,973.85-5,960.78-1,376.79

Finding the Fourth Proportional to 3,973.85, 5,960.78 and 1,376.79

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Solution

The fourth proportional to 3,973.85, 5,960.78 and 1,376.79 is: 2,065.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,973.85 : 5,960.78 = 1,376.79 : x
  2. Step 2: Convert to fraction form
    3,973.85/5,960.78 = 1,376.79/x
  3. Step 3: Cross multiply
    3,973.85x = 5,960.78 × 1,376.79
  4. Step 4: Simplify right side
    3,973.85x = 8,206,733.05
  5. Step 5: Solve for x
    x = 8,206,733.05/3,973.85
  6. Step 6: Final answer
    x = 2,065.18

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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.