Home / 3,629.31-5,428.72-3,058.86

Finding the Fourth Proportional to 3,629.31, 5,428.72 and 3,058.86

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Solution

The fourth proportional to 3,629.31, 5,428.72 and 3,058.86 is: 4,575.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,629.31 : 5,428.72 = 3,058.86 : x
  2. Step 2: Convert to fraction form
    3,629.31/5,428.72 = 3,058.86/x
  3. Step 3: Cross multiply
    3,629.31x = 5,428.72 × 3,058.86
  4. Step 4: Simplify right side
    3,629.31x = 16,605,718.64
  5. Step 5: Solve for x
    x = 16,605,718.64/3,629.31
  6. Step 6: Final answer
    x = 4,575.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.