Home / 3,191.28-4,779.14-2,262.42

Finding the Fourth Proportional to 3,191.28, 4,779.14 and 2,262.42

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Solution

The fourth proportional to 3,191.28, 4,779.14 and 2,262.42 is: 3,388.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191.28 : 4,779.14 = 2,262.42 : x
  2. Step 2: Convert to fraction form
    3,191.28/4,779.14 = 2,262.42/x
  3. Step 3: Cross multiply
    3,191.28x = 4,779.14 × 2,262.42
  4. Step 4: Simplify right side
    3,191.28x = 10,812,421.92
  5. Step 5: Solve for x
    x = 10,812,421.92/3,191.28
  6. Step 6: Final answer
    x = 3,388.11

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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.