Home / 3,225.22-4,839.14-1,278.79

Finding the Fourth Proportional to 3,225.22, 4,839.14 and 1,278.79

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Solution

The fourth proportional to 3,225.22, 4,839.14 and 1,278.79 is: 1,918.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.22 : 4,839.14 = 1,278.79 : x
  2. Step 2: Convert to fraction form
    3,225.22/4,839.14 = 1,278.79/x
  3. Step 3: Cross multiply
    3,225.22x = 4,839.14 × 1,278.79
  4. Step 4: Simplify right side
    3,225.22x = 6,188,234.94
  5. Step 5: Solve for x
    x = 6,188,234.94/3,225.22
  6. Step 6: Final answer
    x = 1,918.70

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1.5x scale

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.