Home / 2,205.06-3,044.10-1,731.90

Finding the Fourth Proportional to 2,205.06, 3,044.10 and 1,731.90

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Solution

The fourth proportional to 2,205.06, 3,044.10 and 1,731.90 is: 2,390.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205.06 : 3,044.10 = 1,731.90 : x
  2. Step 2: Convert to fraction form
    2,205.06/3,044.10 = 1,731.90/x
  3. Step 3: Cross multiply
    2,205.06x = 3,044.10 × 1,731.90
  4. Step 4: Simplify right side
    2,205.06x = 5,272,076.79
  5. Step 5: Solve for x
    x = 5,272,076.79/2,205.06
  6. Step 6: Final answer
    x = 2,390.90

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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.