Home / 3,108.20-4,661.06-1,353.08

Finding the Fourth Proportional to 3,108.20, 4,661.06 and 1,353.08

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Solution

The fourth proportional to 3,108.20, 4,661.06 and 1,353.08 is: 2,029.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.20 : 4,661.06 = 1,353.08 : x
  2. Step 2: Convert to fraction form
    3,108.20/4,661.06 = 1,353.08/x
  3. Step 3: Cross multiply
    3,108.20x = 4,661.06 × 1,353.08
  4. Step 4: Simplify right side
    3,108.20x = 6,306,780.30
  5. Step 5: Solve for x
    x = 6,306,780.30/3,108.20
  6. Step 6: Final answer
    x = 2,029.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.