Home / 2,207.04-3,044.16-1,911.78

Finding the Fourth Proportional to 2,207.04, 3,044.16 and 1,911.78

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Solution

The fourth proportional to 2,207.04, 3,044.16 and 1,911.78 is: 2,636.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,207.04 : 3,044.16 = 1,911.78 : x
  2. Step 2: Convert to fraction form
    2,207.04/3,044.16 = 1,911.78/x
  3. Step 3: Cross multiply
    2,207.04x = 3,044.16 × 1,911.78
  4. Step 4: Simplify right side
    2,207.04x = 5,819,764.20
  5. Step 5: Solve for x
    x = 5,819,764.20/2,207.04
  6. Step 6: Final answer
    x = 2,636.91

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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.