Home / 2,167.44-2,991.08-1,235.92

Finding the Fourth Proportional to 2,167.44, 2,991.08 and 1,235.92

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Solution

The fourth proportional to 2,167.44, 2,991.08 and 1,235.92 is: 1,705.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167.44 : 2,991.08 = 1,235.92 : x
  2. Step 2: Convert to fraction form
    2,167.44/2,991.08 = 1,235.92/x
  3. Step 3: Cross multiply
    2,167.44x = 2,991.08 × 1,235.92
  4. Step 4: Simplify right side
    2,167.44x = 3,696,735.59
  5. Step 5: Solve for x
    x = 3,696,735.59/2,167.44
  6. Step 6: Final answer
    x = 1,705.58

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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.