Home / 2,750.55-4,126.02-1,107.09

Finding the Fourth Proportional to 2,750.55, 4,126.02 and 1,107.09

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Solution

The fourth proportional to 2,750.55, 4,126.02 and 1,107.09 is: 1,660.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750.55 : 4,126.02 = 1,107.09 : x
  2. Step 2: Convert to fraction form
    2,750.55/4,126.02 = 1,107.09/x
  3. Step 3: Cross multiply
    2,750.55x = 4,126.02 × 1,107.09
  4. Step 4: Simplify right side
    2,750.55x = 4,567,875.48
  5. Step 5: Solve for x
    x = 4,567,875.48/2,750.55
  6. Step 6: Final answer
    x = 1,660.71

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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.