Home / 2,193.82-3,027.08-1,309.48

Finding the Fourth Proportional to 2,193.82, 3,027.08 and 1,309.48

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Solution

The fourth proportional to 2,193.82, 3,027.08 and 1,309.48 is: 1,806.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193.82 : 3,027.08 = 1,309.48 : x
  2. Step 2: Convert to fraction form
    2,193.82/3,027.08 = 1,309.48/x
  3. Step 3: Cross multiply
    2,193.82x = 3,027.08 × 1,309.48
  4. Step 4: Simplify right side
    2,193.82x = 3,963,900.72
  5. Step 5: Solve for x
    x = 3,963,900.72/2,193.82
  6. Step 6: Final answer
    x = 1,806.85

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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.