Home / 2,851.92-4,278.33-1,096.85

Finding the Fourth Proportional to 2,851.92, 4,278.33 and 1,096.85

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Solution

The fourth proportional to 2,851.92, 4,278.33 and 1,096.85 is: 1,645.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851.92 : 4,278.33 = 1,096.85 : x
  2. Step 2: Convert to fraction form
    2,851.92/4,278.33 = 1,096.85/x
  3. Step 3: Cross multiply
    2,851.92x = 4,278.33 × 1,096.85
  4. Step 4: Simplify right side
    2,851.92x = 4,692,686.26
  5. Step 5: Solve for x
    x = 4,692,686.26/2,851.92
  6. Step 6: Final answer
    x = 1,645.45

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1.5x scale

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.