Home / 3,231.42-4,834.38-3,207.74

Finding the Fourth Proportional to 3,231.42, 4,834.38 and 3,207.74

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Solution

The fourth proportional to 3,231.42, 4,834.38 and 3,207.74 is: 4,798.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.42 : 4,834.38 = 3,207.74 : x
  2. Step 2: Convert to fraction form
    3,231.42/4,834.38 = 3,207.74/x
  3. Step 3: Cross multiply
    3,231.42x = 4,834.38 × 3,207.74
  4. Step 4: Simplify right side
    3,231.42x = 15,507,409.93
  5. Step 5: Solve for x
    x = 15,507,409.93/3,231.42
  6. Step 6: Final answer
    x = 4,798.95

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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.