Home / 2,077.35-3,114.10-1,089.96

Finding the Fourth Proportional to 2,077.35, 3,114.10 and 1,089.96

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Solution

The fourth proportional to 2,077.35, 3,114.10 and 1,089.96 is: 1,633.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077.35 : 3,114.10 = 1,089.96 : x
  2. Step 2: Convert to fraction form
    2,077.35/3,114.10 = 1,089.96/x
  3. Step 3: Cross multiply
    2,077.35x = 3,114.10 × 1,089.96
  4. Step 4: Simplify right side
    2,077.35x = 3,394,227.99
  5. Step 5: Solve for x
    x = 3,394,227.99/2,077.35
  6. Step 6: Final answer
    x = 1,633.93

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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.