Home / 3,426.12-4,728.02-1,854.20

Finding the Fourth Proportional to 3,426.12, 4,728.02 and 1,854.20

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Solution

The fourth proportional to 3,426.12, 4,728.02 and 1,854.20 is: 2,558.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.12 : 4,728.02 = 1,854.20 : x
  2. Step 2: Convert to fraction form
    3,426.12/4,728.02 = 1,854.20/x
  3. Step 3: Cross multiply
    3,426.12x = 4,728.02 × 1,854.20
  4. Step 4: Simplify right side
    3,426.12x = 8,766,694.68
  5. Step 5: Solve for x
    x = 8,766,694.68/3,426.12
  6. Step 6: Final answer
    x = 2,558.78

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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.