Home / 3,426.77-4,728.94-1,854.86

Finding the Fourth Proportional to 3,426.77, 4,728.94 and 1,854.86

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Solution

The fourth proportional to 3,426.77, 4,728.94 and 1,854.86 is: 2,559.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.77 : 4,728.94 = 1,854.86 : x
  2. Step 2: Convert to fraction form
    3,426.77/4,728.94 = 1,854.86/x
  3. Step 3: Cross multiply
    3,426.77x = 4,728.94 × 1,854.86
  4. Step 4: Simplify right side
    3,426.77x = 8,771,517.01
  5. Step 5: Solve for x
    x = 8,771,517.01/3,426.77
  6. Step 6: Final answer
    x = 2,559.71

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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.