Home / 3,813.32-5,719.98-2,668.52

Finding the Fourth Proportional to 3,813.32, 5,719.98 and 2,668.52

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Solution

The fourth proportional to 3,813.32, 5,719.98 and 2,668.52 is: 4,002.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,813.32 : 5,719.98 = 2,668.52 : x
  2. Step 2: Convert to fraction form
    3,813.32/5,719.98 = 2,668.52/x
  3. Step 3: Cross multiply
    3,813.32x = 5,719.98 × 2,668.52
  4. Step 4: Simplify right side
    3,813.32x = 15,263,881.03
  5. Step 5: Solve for x
    x = 15,263,881.03/3,813.32
  6. Step 6: Final answer
    x = 4,002.78

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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.