Home / 3,708.87-5,120.25-2,951.16

Finding the Fourth Proportional to 3,708.87, 5,120.25 and 2,951.16

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Solution

The fourth proportional to 3,708.87, 5,120.25 and 2,951.16 is: 4,074.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,708.87 : 5,120.25 = 2,951.16 : x
  2. Step 2: Convert to fraction form
    3,708.87/5,120.25 = 2,951.16/x
  3. Step 3: Cross multiply
    3,708.87x = 5,120.25 × 2,951.16
  4. Step 4: Simplify right side
    3,708.87x = 15,110,676.99
  5. Step 5: Solve for x
    x = 15,110,676.99/3,708.87
  6. Step 6: Final answer
    x = 4,074.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.