Home / 2,938.92-4,407.27-1,207.68

Finding the Fourth Proportional to 2,938.92, 4,407.27 and 1,207.68

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Solution

The fourth proportional to 2,938.92, 4,407.27 and 1,207.68 is: 1,811.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.92 : 4,407.27 = 1,207.68 : x
  2. Step 2: Convert to fraction form
    2,938.92/4,407.27 = 1,207.68/x
  3. Step 3: Cross multiply
    2,938.92x = 4,407.27 × 1,207.68
  4. Step 4: Simplify right side
    2,938.92x = 5,322,571.83
  5. Step 5: Solve for x
    x = 5,322,571.83/2,938.92
  6. Step 6: Final answer
    x = 1,811.06

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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.