Home / 3,824.75-5,275.91-2,406.18

Finding the Fourth Proportional to 3,824.75, 5,275.91 and 2,406.18

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Solution

The fourth proportional to 3,824.75, 5,275.91 and 2,406.18 is: 3,319.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,824.75 : 5,275.91 = 2,406.18 : x
  2. Step 2: Convert to fraction form
    3,824.75/5,275.91 = 2,406.18/x
  3. Step 3: Cross multiply
    3,824.75x = 5,275.91 × 2,406.18
  4. Step 4: Simplify right side
    3,824.75x = 12,694,789.12
  5. Step 5: Solve for x
    x = 12,694,789.12/3,824.75
  6. Step 6: Final answer
    x = 3,319.12

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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.