Home / 3,118.91-4,674.38-1,267.85

Finding the Fourth Proportional to 3,118.91, 4,674.38 and 1,267.85

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Solution

The fourth proportional to 3,118.91, 4,674.38 and 1,267.85 is: 1,900.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.91 : 4,674.38 = 1,267.85 : x
  2. Step 2: Convert to fraction form
    3,118.91/4,674.38 = 1,267.85/x
  3. Step 3: Cross multiply
    3,118.91x = 4,674.38 × 1,267.85
  4. Step 4: Simplify right side
    3,118.91x = 5,926,418.03
  5. Step 5: Solve for x
    x = 5,926,418.03/3,118.91
  6. Step 6: Final answer
    x = 1,900.16

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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.