Home / 3,231.78-4,459.85-1,834.53

Finding the Fourth Proportional to 3,231.78, 4,459.85 and 1,834.53

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Solution

The fourth proportional to 3,231.78, 4,459.85 and 1,834.53 is: 2,531.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.78 : 4,459.85 = 1,834.53 : x
  2. Step 2: Convert to fraction form
    3,231.78/4,459.85 = 1,834.53/x
  3. Step 3: Cross multiply
    3,231.78x = 4,459.85 × 1,834.53
  4. Step 4: Simplify right side
    3,231.78x = 8,181,709.60
  5. Step 5: Solve for x
    x = 8,181,709.60/3,231.78
  6. Step 6: Final answer
    x = 2,531.64

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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.