Home / 1,627.44-2,442.89-1,322.97

Finding the Fourth Proportional to 1,627.44, 2,442.89 and 1,322.97

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Solution

The fourth proportional to 1,627.44, 2,442.89 and 1,322.97 is: 1,985.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627.44 : 2,442.89 = 1,322.97 : x
  2. Step 2: Convert to fraction form
    1,627.44/2,442.89 = 1,322.97/x
  3. Step 3: Cross multiply
    1,627.44x = 2,442.89 × 1,322.97
  4. Step 4: Simplify right side
    1,627.44x = 3,231,870.18
  5. Step 5: Solve for x
    x = 3,231,870.18/1,627.44
  6. Step 6: Final answer
    x = 1,985.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.