Home / 1,971.92-2,958.60-1,150.04

Finding the Fourth Proportional to 1,971.92, 2,958.60 and 1,150.04

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Solution

The fourth proportional to 1,971.92, 2,958.60 and 1,150.04 is: 1,725.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971.92 : 2,958.60 = 1,150.04 : x
  2. Step 2: Convert to fraction form
    1,971.92/2,958.60 = 1,150.04/x
  3. Step 3: Cross multiply
    1,971.92x = 2,958.60 × 1,150.04
  4. Step 4: Simplify right side
    1,971.92x = 3,402,508.34
  5. Step 5: Solve for x
    x = 3,402,508.34/1,971.92
  6. Step 6: Final answer
    x = 1,725.48

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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.