Home / 2,177.07-3,003.05-2,031.27

Finding the Fourth Proportional to 2,177.07, 3,003.05 and 2,031.27

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Solution

The fourth proportional to 2,177.07, 3,003.05 and 2,031.27 is: 2,801.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177.07 : 3,003.05 = 2,031.27 : x
  2. Step 2: Convert to fraction form
    2,177.07/3,003.05 = 2,031.27/x
  3. Step 3: Cross multiply
    2,177.07x = 3,003.05 × 2,031.27
  4. Step 4: Simplify right side
    2,177.07x = 6,100,010.45
  5. Step 5: Solve for x
    x = 6,100,010.45/2,177.07
  6. Step 6: Final answer
    x = 2,801.94

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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.