Home / 3,230.22-4,839.93-3,108.72

Finding the Fourth Proportional to 3,230.22, 4,839.93 and 3,108.72

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Solution

The fourth proportional to 3,230.22, 4,839.93 and 3,108.72 is: 4,657.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230.22 : 4,839.93 = 3,108.72 : x
  2. Step 2: Convert to fraction form
    3,230.22/4,839.93 = 3,108.72/x
  3. Step 3: Cross multiply
    3,230.22x = 4,839.93 × 3,108.72
  4. Step 4: Simplify right side
    3,230.22x = 15,045,987.19
  5. Step 5: Solve for x
    x = 15,045,987.19/3,230.22
  6. Step 6: Final answer
    x = 4,657.88

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1.5x scale

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.