Home / 3,191.91-4,404.57-1,775.42

Finding the Fourth Proportional to 3,191.91, 4,404.57 and 1,775.42

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Solution

The fourth proportional to 3,191.91, 4,404.57 and 1,775.42 is: 2,449.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191.91 : 4,404.57 = 1,775.42 : x
  2. Step 2: Convert to fraction form
    3,191.91/4,404.57 = 1,775.42/x
  3. Step 3: Cross multiply
    3,191.91x = 4,404.57 × 1,775.42
  4. Step 4: Simplify right side
    3,191.91x = 7,819,939.65
  5. Step 5: Solve for x
    x = 7,819,939.65/3,191.91
  6. Step 6: Final answer
    x = 2,449.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.