Home / 3,418.74-5,126.52-1,226.88

Finding the Fourth Proportional to 3,418.74, 5,126.52 and 1,226.88

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Solution

The fourth proportional to 3,418.74, 5,126.52 and 1,226.88 is: 1,839.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.74 : 5,126.52 = 1,226.88 : x
  2. Step 2: Convert to fraction form
    3,418.74/5,126.52 = 1,226.88/x
  3. Step 3: Cross multiply
    3,418.74x = 5,126.52 × 1,226.88
  4. Step 4: Simplify right side
    3,418.74x = 6,289,624.86
  5. Step 5: Solve for x
    x = 6,289,624.86/3,418.74
  6. Step 6: Final answer
    x = 1,839.75

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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.