Home / 3,515.24-5,274-1,666.13

Finding the Fourth Proportional to 3,515.24, 5,274 and 1,666.13

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Solution

The fourth proportional to 3,515.24, 5,274 and 1,666.13 is: 2,499.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.24 : 5,274 = 1,666.13 : x
  2. Step 2: Convert to fraction form
    3,515.24/5,274 = 1,666.13/x
  3. Step 3: Cross multiply
    3,515.24x = 5,274 × 1,666.13
  4. Step 4: Simplify right side
    3,515.24x = 8,787,143.25
  5. Step 5: Solve for x
    x = 8,787,143.25/3,515.24
  6. Step 6: Final answer
    x = 2,499.73

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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.