Home / 3,867.57-5,335.29-2,448.90

Finding the Fourth Proportional to 3,867.57, 5,335.29 and 2,448.90

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Solution

The fourth proportional to 3,867.57, 5,335.29 and 2,448.90 is: 3,378.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867.57 : 5,335.29 = 2,448.90 : x
  2. Step 2: Convert to fraction form
    3,867.57/5,335.29 = 2,448.90/x
  3. Step 3: Cross multiply
    3,867.57x = 5,335.29 × 2,448.90
  4. Step 4: Simplify right side
    3,867.57x = 13,065,591.68
  5. Step 5: Solve for x
    x = 13,065,591.68/3,867.57
  6. Step 6: Final answer
    x = 3,378.24

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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.