Home / 3,100.20-4,644.36-2,995.98

Finding the Fourth Proportional to 3,100.20, 4,644.36 and 2,995.98

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Solution

The fourth proportional to 3,100.20, 4,644.36 and 2,995.98 is: 4,488.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100.20 : 4,644.36 = 2,995.98 : x
  2. Step 2: Convert to fraction form
    3,100.20/4,644.36 = 2,995.98/x
  3. Step 3: Cross multiply
    3,100.20x = 4,644.36 × 2,995.98
  4. Step 4: Simplify right side
    3,100.20x = 13,914,409.67
  5. Step 5: Solve for x
    x = 13,914,409.67/3,100.20
  6. Step 6: Final answer
    x = 4,488.23

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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.