Home / 2,513.28-3,751.38-2,217.84

Finding the Fourth Proportional to 2,513.28, 3,751.38 and 2,217.84

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Solution

The fourth proportional to 2,513.28, 3,751.38 and 2,217.84 is: 3,310.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,513.28 : 3,751.38 = 2,217.84 : x
  2. Step 2: Convert to fraction form
    2,513.28/3,751.38 = 2,217.84/x
  3. Step 3: Cross multiply
    2,513.28x = 3,751.38 × 2,217.84
  4. Step 4: Simplify right side
    2,513.28x = 8,319,960.62
  5. Step 5: Solve for x
    x = 8,319,960.62/2,513.28
  6. Step 6: Final answer
    x = 3,310.40

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.