Home / 2,792.50-4,189.26-1,148.15

Finding the Fourth Proportional to 2,792.50, 4,189.26 and 1,148.15

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Solution

The fourth proportional to 2,792.50, 4,189.26 and 1,148.15 is: 1,722.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792.50 : 4,189.26 = 1,148.15 : x
  2. Step 2: Convert to fraction form
    2,792.50/4,189.26 = 1,148.15/x
  3. Step 3: Cross multiply
    2,792.50x = 4,189.26 × 1,148.15
  4. Step 4: Simplify right side
    2,792.50x = 4,809,898.87
  5. Step 5: Solve for x
    x = 4,809,898.87/2,792.50
  6. Step 6: Final answer
    x = 1,722.43

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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.