Home / 3,671.40-5,062.71-2,179.03

Finding the Fourth Proportional to 3,671.40, 5,062.71 and 2,179.03

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Solution

The fourth proportional to 3,671.40, 5,062.71 and 2,179.03 is: 3,004.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,671.40 : 5,062.71 = 2,179.03 : x
  2. Step 2: Convert to fraction form
    3,671.40/5,062.71 = 2,179.03/x
  3. Step 3: Cross multiply
    3,671.40x = 5,062.71 × 2,179.03
  4. Step 4: Simplify right side
    3,671.40x = 11,031,804.18
  5. Step 5: Solve for x
    x = 11,031,804.18/3,671.40
  6. Step 6: Final answer
    x = 3,004.79

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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.