Home / 2,193.87-3,026.66-1,309.17

Finding the Fourth Proportional to 2,193.87, 3,026.66 and 1,309.17

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Solution

The fourth proportional to 2,193.87, 3,026.66 and 1,309.17 is: 1,806.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193.87 : 3,026.66 = 1,309.17 : x
  2. Step 2: Convert to fraction form
    2,193.87/3,026.66 = 1,309.17/x
  3. Step 3: Cross multiply
    2,193.87x = 3,026.66 × 1,309.17
  4. Step 4: Simplify right side
    2,193.87x = 3,962,405.93
  5. Step 5: Solve for x
    x = 3,962,405.93/2,193.87
  6. Step 6: Final answer
    x = 1,806.13

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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.