Home / 2,851.92-4,279.10-1,370.43

Finding the Fourth Proportional to 2,851.92, 4,279.10 and 1,370.43

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Solution

The fourth proportional to 2,851.92, 4,279.10 and 1,370.43 is: 2,056.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851.92 : 4,279.10 = 1,370.43 : x
  2. Step 2: Convert to fraction form
    2,851.92/4,279.10 = 1,370.43/x
  3. Step 3: Cross multiply
    2,851.92x = 4,279.10 × 1,370.43
  4. Step 4: Simplify right side
    2,851.92x = 5,864,200.16
  5. Step 5: Solve for x
    x = 5,864,200.16/2,851.92
  6. Step 6: Final answer
    x = 2,056.23

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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.