Home / 2,206.25-3,044.25-1,309.76

Finding the Fourth Proportional to 2,206.25, 3,044.25 and 1,309.76

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Solution

The fourth proportional to 2,206.25, 3,044.25 and 1,309.76 is: 1,807.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,206.25 : 3,044.25 = 1,309.76 : x
  2. Step 2: Convert to fraction form
    2,206.25/3,044.25 = 1,309.76/x
  3. Step 3: Cross multiply
    2,206.25x = 3,044.25 × 1,309.76
  4. Step 4: Simplify right side
    2,206.25x = 3,987,221.66
  5. Step 5: Solve for x
    x = 3,987,221.66/2,206.25
  6. Step 6: Final answer
    x = 1,807.24

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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.