Home / 3,187.26-4,776.57-1,540.53

Finding the Fourth Proportional to 3,187.26, 4,776.57 and 1,540.53

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Solution

The fourth proportional to 3,187.26, 4,776.57 and 1,540.53 is: 2,308.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187.26 : 4,776.57 = 1,540.53 : x
  2. Step 2: Convert to fraction form
    3,187.26/4,776.57 = 1,540.53/x
  3. Step 3: Cross multiply
    3,187.26x = 4,776.57 × 1,540.53
  4. Step 4: Simplify right side
    3,187.26x = 7,358,449.38
  5. Step 5: Solve for x
    x = 7,358,449.38/3,187.26
  6. Step 6: Final answer
    x = 2,308.71

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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.