Home / 2,260.81-3,119.97-1,266.04

Finding the Fourth Proportional to 2,260.81, 3,119.97 and 1,266.04

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Solution

The fourth proportional to 2,260.81, 3,119.97 and 1,266.04 is: 1,747.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,260.81 : 3,119.97 = 1,266.04 : x
  2. Step 2: Convert to fraction form
    2,260.81/3,119.97 = 1,266.04/x
  3. Step 3: Cross multiply
    2,260.81x = 3,119.97 × 1,266.04
  4. Step 4: Simplify right side
    2,260.81x = 3,950,006.82
  5. Step 5: Solve for x
    x = 3,950,006.82/2,260.81
  6. Step 6: Final answer
    x = 1,747.16

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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.