Home / 2,697.09-3,722.48-1,577.97

Finding the Fourth Proportional to 2,697.09, 3,722.48 and 1,577.97

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Solution

The fourth proportional to 2,697.09, 3,722.48 and 1,577.97 is: 2,177.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,697.09 : 3,722.48 = 1,577.97 : x
  2. Step 2: Convert to fraction form
    2,697.09/3,722.48 = 1,577.97/x
  3. Step 3: Cross multiply
    2,697.09x = 3,722.48 × 1,577.97
  4. Step 4: Simplify right side
    2,697.09x = 5,873,953.88
  5. Step 5: Solve for x
    x = 5,873,953.88/2,697.09
  6. Step 6: Final answer
    x = 2,177.89

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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.