Home / 2,193.88-3,027.28-1,309.52

Finding the Fourth Proportional to 2,193.88, 3,027.28 and 1,309.52

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Solution

The fourth proportional to 2,193.88, 3,027.28 and 1,309.52 is: 1,806.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193.88 : 3,027.28 = 1,309.52 : x
  2. Step 2: Convert to fraction form
    2,193.88/3,027.28 = 1,309.52/x
  3. Step 3: Cross multiply
    2,193.88x = 3,027.28 × 1,309.52
  4. Step 4: Simplify right side
    2,193.88x = 3,964,283.71
  5. Step 5: Solve for x
    x = 3,964,283.71/2,193.88
  6. Step 6: Final answer
    x = 1,806.97

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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.