Home / 2,644.20-3,962.10-2,094.96

Finding the Fourth Proportional to 2,644.20, 3,962.10 and 2,094.96

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Solution

The fourth proportional to 2,644.20, 3,962.10 and 2,094.96 is: 3,139.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,644.20 : 3,962.10 = 2,094.96 : x
  2. Step 2: Convert to fraction form
    2,644.20/3,962.10 = 2,094.96/x
  3. Step 3: Cross multiply
    2,644.20x = 3,962.10 × 2,094.96
  4. Step 4: Simplify right side
    2,644.20x = 8,300,441.02
  5. Step 5: Solve for x
    x = 8,300,441.02/2,644.20
  6. Step 6: Final answer
    x = 3,139.11

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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.