Home / 3,249.15-4,870.89-1,685.85

Finding the Fourth Proportional to 3,249.15, 4,870.89 and 1,685.85

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Solution

The fourth proportional to 3,249.15, 4,870.89 and 1,685.85 is: 2,527.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,249.15 : 4,870.89 = 1,685.85 : x
  2. Step 2: Convert to fraction form
    3,249.15/4,870.89 = 1,685.85/x
  3. Step 3: Cross multiply
    3,249.15x = 4,870.89 × 1,685.85
  4. Step 4: Simplify right side
    3,249.15x = 8,211,589.91
  5. Step 5: Solve for x
    x = 8,211,589.91/3,249.15
  6. Step 6: Final answer
    x = 2,527.30

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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.