Home / 2,073.18-3,109.77-1,196.56

Finding the Fourth Proportional to 2,073.18, 3,109.77 and 1,196.56

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Solution

The fourth proportional to 2,073.18, 3,109.77 and 1,196.56 is: 1,794.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,073.18 : 3,109.77 = 1,196.56 : x
  2. Step 2: Convert to fraction form
    2,073.18/3,109.77 = 1,196.56/x
  3. Step 3: Cross multiply
    2,073.18x = 3,109.77 × 1,196.56
  4. Step 4: Simplify right side
    2,073.18x = 3,721,026.39
  5. Step 5: Solve for x
    x = 3,721,026.39/2,073.18
  6. Step 6: Final answer
    x = 1,794.84

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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.