Home / 4,102.31-5,661.50-2,334.49

Finding the Fourth Proportional to 4,102.31, 5,661.50 and 2,334.49

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Solution

The fourth proportional to 4,102.31, 5,661.50 and 2,334.49 is: 3,221.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102.31 : 5,661.50 = 2,334.49 : x
  2. Step 2: Convert to fraction form
    4,102.31/5,661.50 = 2,334.49/x
  3. Step 3: Cross multiply
    4,102.31x = 5,661.50 × 2,334.49
  4. Step 4: Simplify right side
    4,102.31x = 13,216,689.31
  5. Step 5: Solve for x
    x = 13,216,689.31/4,102.31
  6. Step 6: Final answer
    x = 3,221.77

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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.