Home / 3,108.30-4,664.08-2,012.38

Finding the Fourth Proportional to 3,108.30, 4,664.08 and 2,012.38

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Solution

The fourth proportional to 3,108.30, 4,664.08 and 2,012.38 is: 3,019.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.30 : 4,664.08 = 2,012.38 : x
  2. Step 2: Convert to fraction form
    3,108.30/4,664.08 = 2,012.38/x
  3. Step 3: Cross multiply
    3,108.30x = 4,664.08 × 2,012.38
  4. Step 4: Simplify right side
    3,108.30x = 9,385,901.31
  5. Step 5: Solve for x
    x = 9,385,901.31/3,108.30
  6. Step 6: Final answer
    x = 3,019.63

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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.