Home / 1,902.18-2,850.91-1,077.96

Finding the Fourth Proportional to 1,902.18, 2,850.91 and 1,077.96

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Solution

The fourth proportional to 1,902.18, 2,850.91 and 1,077.96 is: 1,615.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,902.18 : 2,850.91 = 1,077.96 : x
  2. Step 2: Convert to fraction form
    1,902.18/2,850.91 = 1,077.96/x
  3. Step 3: Cross multiply
    1,902.18x = 2,850.91 × 1,077.96
  4. Step 4: Simplify right side
    1,902.18x = 3,073,166.94
  5. Step 5: Solve for x
    x = 3,073,166.94/1,902.18
  6. Step 6: Final answer
    x = 1,615.60

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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.