Home / 2,973.39-4,102.97-1,647.02

Finding the Fourth Proportional to 2,973.39, 4,102.97 and 1,647.02

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Solution

The fourth proportional to 2,973.39, 4,102.97 and 1,647.02 is: 2,272.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,973.39 : 4,102.97 = 1,647.02 : x
  2. Step 2: Convert to fraction form
    2,973.39/4,102.97 = 1,647.02/x
  3. Step 3: Cross multiply
    2,973.39x = 4,102.97 × 1,647.02
  4. Step 4: Simplify right side
    2,973.39x = 6,757,644.90
  5. Step 5: Solve for x
    x = 6,757,644.90/2,973.39
  6. Step 6: Final answer
    x = 2,272.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.