Home / 3,774.38-5,208.51-2,281.75

Finding the Fourth Proportional to 3,774.38, 5,208.51 and 2,281.75

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Solution

The fourth proportional to 3,774.38, 5,208.51 and 2,281.75 is: 3,148.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,774.38 : 5,208.51 = 2,281.75 : x
  2. Step 2: Convert to fraction form
    3,774.38/5,208.51 = 2,281.75/x
  3. Step 3: Cross multiply
    3,774.38x = 5,208.51 × 2,281.75
  4. Step 4: Simplify right side
    3,774.38x = 11,884,517.69
  5. Step 5: Solve for x
    x = 11,884,517.69/3,774.38
  6. Step 6: Final answer
    x = 3,148.73

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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.