Home / 3,426.66-4,728.79-1,854.75

Finding the Fourth Proportional to 3,426.66, 4,728.79 and 1,854.75

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Solution

The fourth proportional to 3,426.66, 4,728.79 and 1,854.75 is: 2,559.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.66 : 4,728.79 = 1,854.75 : x
  2. Step 2: Convert to fraction form
    3,426.66/4,728.79 = 1,854.75/x
  3. Step 3: Cross multiply
    3,426.66x = 4,728.79 × 1,854.75
  4. Step 4: Simplify right side
    3,426.66x = 8,770,694.97
  5. Step 5: Solve for x
    x = 8,770,694.97/3,426.66
  6. Step 6: Final answer
    x = 2,559.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.