Home / 3,426.75-4,728.92-1,854.86

Finding the Fourth Proportional to 3,426.75, 4,728.92 and 1,854.86

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Solution

The fourth proportional to 3,426.75, 4,728.92 and 1,854.86 is: 2,559.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.75 : 4,728.92 = 1,854.86 : x
  2. Step 2: Convert to fraction form
    3,426.75/4,728.92 = 1,854.86/x
  3. Step 3: Cross multiply
    3,426.75x = 4,728.92 × 1,854.86
  4. Step 4: Simplify right side
    3,426.75x = 8,771,451.63
  5. Step 5: Solve for x
    x = 8,771,451.63/3,426.75
  6. Step 6: Final answer
    x = 2,559.70

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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.