Home / 3,517.07-5,278.20-1,668.19

Finding the Fourth Proportional to 3,517.07, 5,278.20 and 1,668.19

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Solution

The fourth proportional to 3,517.07, 5,278.20 and 1,668.19 is: 2,503.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,517.07 : 5,278.20 = 1,668.19 : x
  2. Step 2: Convert to fraction form
    3,517.07/5,278.20 = 1,668.19/x
  3. Step 3: Cross multiply
    3,517.07x = 5,278.20 × 1,668.19
  4. Step 4: Simplify right side
    3,517.07x = 8,805,027.60
  5. Step 5: Solve for x
    x = 8,805,027.60/3,517.07
  6. Step 6: Final answer
    x = 2,503.51

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1.5x scale

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.