Home / 2,793.31-4,190.16-845.66

Finding the Fourth Proportional to 2,793.31, 4,190.16 and 845.66

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Solution

The fourth proportional to 2,793.31, 4,190.16 and 845.66 is: 1,268.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,793.31 : 4,190.16 = 845.66 : x
  2. Step 2: Convert to fraction form
    2,793.31/4,190.16 = 845.66/x
  3. Step 3: Cross multiply
    2,793.31x = 4,190.16 × 845.66
  4. Step 4: Simplify right side
    2,793.31x = 3,543,450.71
  5. Step 5: Solve for x
    x = 3,543,450.71/2,793.31
  6. Step 6: Final answer
    x = 1,268.55

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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.