Home / 3,105.13-4,657.70-2,949.41

Finding the Fourth Proportional to 3,105.13, 4,657.70 and 2,949.41

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Solution

The fourth proportional to 3,105.13, 4,657.70 and 2,949.41 is: 4,424.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105.13 : 4,657.70 = 2,949.41 : x
  2. Step 2: Convert to fraction form
    3,105.13/4,657.70 = 2,949.41/x
  3. Step 3: Cross multiply
    3,105.13x = 4,657.70 × 2,949.41
  4. Step 4: Simplify right side
    3,105.13x = 13,737,443.67
  5. Step 5: Solve for x
    x = 13,737,443.67/3,105.13
  6. Step 6: Final answer
    x = 4,424.12

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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.