Home / 2,025.38-3,035.88-855.11

Finding the Fourth Proportional to 2,025.38, 3,035.88 and 855.11

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Solution

The fourth proportional to 2,025.38, 3,035.88 and 855.11 is: 1,281.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,025.38 : 3,035.88 = 855.11 : x
  2. Step 2: Convert to fraction form
    2,025.38/3,035.88 = 855.11/x
  3. Step 3: Cross multiply
    2,025.38x = 3,035.88 × 855.11
  4. Step 4: Simplify right side
    2,025.38x = 2,595,996.17
  5. Step 5: Solve for x
    x = 2,595,996.17/2,025.38
  6. Step 6: Final answer
    x = 1,281.74

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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.