Home / 2,644.44-3,970.64-2,101.02

Finding the Fourth Proportional to 2,644.44, 3,970.64 and 2,101.02

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Solution

The fourth proportional to 2,644.44, 3,970.64 and 2,101.02 is: 3,154.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,644.44 : 3,970.64 = 2,101.02 : x
  2. Step 2: Convert to fraction form
    2,644.44/3,970.64 = 2,101.02/x
  3. Step 3: Cross multiply
    2,644.44x = 3,970.64 × 2,101.02
  4. Step 4: Simplify right side
    2,644.44x = 8,342,394.05
  5. Step 5: Solve for x
    x = 8,342,394.05/2,644.44
  6. Step 6: Final answer
    x = 3,154.69

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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.