Home / 3,711.26-5,565.61-1,245.49

Finding the Fourth Proportional to 3,711.26, 5,565.61 and 1,245.49

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Solution

The fourth proportional to 3,711.26, 5,565.61 and 1,245.49 is: 1,867.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,711.26 : 5,565.61 = 1,245.49 : x
  2. Step 2: Convert to fraction form
    3,711.26/5,565.61 = 1,245.49/x
  3. Step 3: Cross multiply
    3,711.26x = 5,565.61 × 1,245.49
  4. Step 4: Simplify right side
    3,711.26x = 6,931,911.60
  5. Step 5: Solve for x
    x = 6,931,911.60/3,711.26
  6. Step 6: Final answer
    x = 1,867.81

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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.