Home / 3,231.38-4,459.30-1,834.14

Finding the Fourth Proportional to 3,231.38, 4,459.30 and 1,834.14

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Solution

The fourth proportional to 3,231.38, 4,459.30 and 1,834.14 is: 2,531.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.38 : 4,459.30 = 1,834.14 : x
  2. Step 2: Convert to fraction form
    3,231.38/4,459.30 = 1,834.14/x
  3. Step 3: Cross multiply
    3,231.38x = 4,459.30 × 1,834.14
  4. Step 4: Simplify right side
    3,231.38x = 8,178,980.50
  5. Step 5: Solve for x
    x = 8,178,980.50/3,231.38
  6. Step 6: Final answer
    x = 2,531.11

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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.