Home / 1,943.73-2,680.70-1,314.09

Finding the Fourth Proportional to 1,943.73, 2,680.70 and 1,314.09

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Solution

The fourth proportional to 1,943.73, 2,680.70 and 1,314.09 is: 1,812.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943.73 : 2,680.70 = 1,314.09 : x
  2. Step 2: Convert to fraction form
    1,943.73/2,680.70 = 1,314.09/x
  3. Step 3: Cross multiply
    1,943.73x = 2,680.70 × 1,314.09
  4. Step 4: Simplify right side
    1,943.73x = 3,522,674.49
  5. Step 5: Solve for x
    x = 3,522,674.49/1,943.73
  6. Step 6: Final answer
    x = 1,812.33

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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.