Home / 2,206-3,044.28-1,274.50

Finding the Fourth Proportional to 2,206, 3,044.28 and 1,274.50

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Solution

The fourth proportional to 2,206, 3,044.28 and 1,274.50 is: 1,758.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,206 : 3,044.28 = 1,274.50 : x
  2. Step 2: Convert to fraction form
    2,206/3,044.28 = 1,274.50/x
  3. Step 3: Cross multiply
    2,206x = 3,044.28 × 1,274.50
  4. Step 4: Simplify right side
    2,206x = 3,879,934.86
  5. Step 5: Solve for x
    x = 3,879,934.86/2,206
  6. Step 6: Final answer
    x = 1,758.81

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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.