Home / 2,206.14-3,044.13-1,421.25

Finding the Fourth Proportional to 2,206.14, 3,044.13 and 1,421.25

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Solution

The fourth proportional to 2,206.14, 3,044.13 and 1,421.25 is: 1,961.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,206.14 : 3,044.13 = 1,421.25 : x
  2. Step 2: Convert to fraction form
    2,206.14/3,044.13 = 1,421.25/x
  3. Step 3: Cross multiply
    2,206.14x = 3,044.13 × 1,421.25
  4. Step 4: Simplify right side
    2,206.14x = 4,326,469.76
  5. Step 5: Solve for x
    x = 4,326,469.76/2,206.14
  6. Step 6: Final answer
    x = 1,961.10

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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.