Home / 2,867.52-3,956.80-1,625.60

Finding the Fourth Proportional to 2,867.52, 3,956.80 and 1,625.60

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Solution

The fourth proportional to 2,867.52, 3,956.80 and 1,625.60 is: 2,243.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867.52 : 3,956.80 = 1,625.60 : x
  2. Step 2: Convert to fraction form
    2,867.52/3,956.80 = 1,625.60/x
  3. Step 3: Cross multiply
    2,867.52x = 3,956.80 × 1,625.60
  4. Step 4: Simplify right side
    2,867.52x = 6,432,174.08
  5. Step 5: Solve for x
    x = 6,432,174.08/2,867.52
  6. Step 6: Final answer
    x = 2,243.11

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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.