Home / 3,103.28-4,282.42-1,776.90

Finding the Fourth Proportional to 3,103.28, 4,282.42 and 1,776.90

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Solution

The fourth proportional to 3,103.28, 4,282.42 and 1,776.90 is: 2,452.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.28 : 4,282.42 = 1,776.90 : x
  2. Step 2: Convert to fraction form
    3,103.28/4,282.42 = 1,776.90/x
  3. Step 3: Cross multiply
    3,103.28x = 4,282.42 × 1,776.90
  4. Step 4: Simplify right side
    3,103.28x = 7,609,447.05
  5. Step 5: Solve for x
    x = 7,609,447.05/3,103.28
  6. Step 6: Final answer
    x = 2,452.07

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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.