Home / 3,513.24-5,265-2,990.52

Finding the Fourth Proportional to 3,513.24, 5,265 and 2,990.52

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Solution

The fourth proportional to 3,513.24, 5,265 and 2,990.52 is: 4,481.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.24 : 5,265 = 2,990.52 : x
  2. Step 2: Convert to fraction form
    3,513.24/5,265 = 2,990.52/x
  3. Step 3: Cross multiply
    3,513.24x = 5,265 × 2,990.52
  4. Step 4: Simplify right side
    3,513.24x = 15,745,087.80
  5. Step 5: Solve for x
    x = 15,745,087.80/3,513.24
  6. Step 6: Final answer
    x = 4,481.64

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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.