Home / 3,371.72-4,655.27-2,113.30

Finding the Fourth Proportional to 3,371.72, 4,655.27 and 2,113.30

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Solution

The fourth proportional to 3,371.72, 4,655.27 and 2,113.30 is: 2,917.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,371.72 : 4,655.27 = 2,113.30 : x
  2. Step 2: Convert to fraction form
    3,371.72/4,655.27 = 2,113.30/x
  3. Step 3: Cross multiply
    3,371.72x = 4,655.27 × 2,113.30
  4. Step 4: Simplify right side
    3,371.72x = 9,837,982.09
  5. Step 5: Solve for x
    x = 9,837,982.09/3,371.72
  6. Step 6: Final answer
    x = 2,917.79

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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.