Home / 2,751.28-4,125.88-1,106.96

Finding the Fourth Proportional to 2,751.28, 4,125.88 and 1,106.96

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Solution

The fourth proportional to 2,751.28, 4,125.88 and 1,106.96 is: 1,660.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,751.28 : 4,125.88 = 1,106.96 : x
  2. Step 2: Convert to fraction form
    2,751.28/4,125.88 = 1,106.96/x
  3. Step 3: Cross multiply
    2,751.28x = 4,125.88 × 1,106.96
  4. Step 4: Simplify right side
    2,751.28x = 4,567,184.12
  5. Step 5: Solve for x
    x = 4,567,184.12/2,751.28
  6. Step 6: Final answer
    x = 1,660.02

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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.