Home / 3,557.06-5,322.57-3,129.38

Finding the Fourth Proportional to 3,557.06, 5,322.57 and 3,129.38

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Solution

The fourth proportional to 3,557.06, 5,322.57 and 3,129.38 is: 4,682.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557.06 : 5,322.57 = 3,129.38 : x
  2. Step 2: Convert to fraction form
    3,557.06/5,322.57 = 3,129.38/x
  3. Step 3: Cross multiply
    3,557.06x = 5,322.57 × 3,129.38
  4. Step 4: Simplify right side
    3,557.06x = 16,656,344.11
  5. Step 5: Solve for x
    x = 16,656,344.11/3,557.06
  6. Step 6: Final answer
    x = 4,682.62

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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.