Home / 2,867.32-3,956.88-1,625.32

Finding the Fourth Proportional to 2,867.32, 3,956.88 and 1,625.32

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Solution

The fourth proportional to 2,867.32, 3,956.88 and 1,625.32 is: 2,242.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867.32 : 3,956.88 = 1,625.32 : x
  2. Step 2: Convert to fraction form
    2,867.32/3,956.88 = 1,625.32/x
  3. Step 3: Cross multiply
    2,867.32x = 3,956.88 × 1,625.32
  4. Step 4: Simplify right side
    2,867.32x = 6,431,196.20
  5. Step 5: Solve for x
    x = 6,431,196.20/2,867.32
  6. Step 6: Final answer
    x = 2,242.93

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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.