Home / 3,168.78-4,366.35-2,695.02

Finding the Fourth Proportional to 3,168.78, 4,366.35 and 2,695.02

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Solution

The fourth proportional to 3,168.78, 4,366.35 and 2,695.02 is: 3,713.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.78 : 4,366.35 = 2,695.02 : x
  2. Step 2: Convert to fraction form
    3,168.78/4,366.35 = 2,695.02/x
  3. Step 3: Cross multiply
    3,168.78x = 4,366.35 × 2,695.02
  4. Step 4: Simplify right side
    3,168.78x = 11,767,400.58
  5. Step 5: Solve for x
    x = 11,767,400.58/3,168.78
  6. Step 6: Final answer
    x = 3,713.54

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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.