Home / 3,365.57-5,045.10-2,129.91

Finding the Fourth Proportional to 3,365.57, 5,045.10 and 2,129.91

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Solution

The fourth proportional to 3,365.57, 5,045.10 and 2,129.91 is: 3,192.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,365.57 : 5,045.10 = 2,129.91 : x
  2. Step 2: Convert to fraction form
    3,365.57/5,045.10 = 2,129.91/x
  3. Step 3: Cross multiply
    3,365.57x = 5,045.10 × 2,129.91
  4. Step 4: Simplify right side
    3,365.57x = 10,745,608.94
  5. Step 5: Solve for x
    x = 10,745,608.94/3,365.57
  6. Step 6: Final answer
    x = 3,192.81

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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.