Home / 3,867.22-5,334.69-2,686.24

Finding the Fourth Proportional to 3,867.22, 5,334.69 and 2,686.24

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Solution

The fourth proportional to 3,867.22, 5,334.69 and 2,686.24 is: 3,705.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867.22 : 5,334.69 = 2,686.24 : x
  2. Step 2: Convert to fraction form
    3,867.22/5,334.69 = 2,686.24/x
  3. Step 3: Cross multiply
    3,867.22x = 5,334.69 × 2,686.24
  4. Step 4: Simplify right side
    3,867.22x = 14,330,257.67
  5. Step 5: Solve for x
    x = 14,330,257.67/3,867.22
  6. Step 6: Final answer
    x = 3,705.57

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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.