Home / 2,193.51-3,027.33-1,309.89

Finding the Fourth Proportional to 2,193.51, 3,027.33 and 1,309.89

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Solution

The fourth proportional to 2,193.51, 3,027.33 and 1,309.89 is: 1,807.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193.51 : 3,027.33 = 1,309.89 : x
  2. Step 2: Convert to fraction form
    2,193.51/3,027.33 = 1,309.89/x
  3. Step 3: Cross multiply
    2,193.51x = 3,027.33 × 1,309.89
  4. Step 4: Simplify right side
    2,193.51x = 3,965,469.29
  5. Step 5: Solve for x
    x = 3,965,469.29/2,193.51
  6. Step 6: Final answer
    x = 1,807.82

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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.