Home / 2,752.58-4,125.33-1,108.18

Finding the Fourth Proportional to 2,752.58, 4,125.33 and 1,108.18

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Solution

The fourth proportional to 2,752.58, 4,125.33 and 1,108.18 is: 1,660.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752.58 : 4,125.33 = 1,108.18 : x
  2. Step 2: Convert to fraction form
    2,752.58/4,125.33 = 1,108.18/x
  3. Step 3: Cross multiply
    2,752.58x = 4,125.33 × 1,108.18
  4. Step 4: Simplify right side
    2,752.58x = 4,571,613.36
  5. Step 5: Solve for x
    x = 4,571,613.36/2,752.58
  6. Step 6: Final answer
    x = 1,660.85

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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.