Home / 2,850.12-4,273.92-1,117.56

Finding the Fourth Proportional to 2,850.12, 4,273.92 and 1,117.56

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Solution

The fourth proportional to 2,850.12, 4,273.92 and 1,117.56 is: 1,675.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850.12 : 4,273.92 = 1,117.56 : x
  2. Step 2: Convert to fraction form
    2,850.12/4,273.92 = 1,117.56/x
  3. Step 3: Cross multiply
    2,850.12x = 4,273.92 × 1,117.56
  4. Step 4: Simplify right side
    2,850.12x = 4,776,362.04
  5. Step 5: Solve for x
    x = 4,776,362.04/2,850.12
  6. Step 6: Final answer
    x = 1,675.85

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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.