Home / 3,723.56-5,135.67-2,529.47

Finding the Fourth Proportional to 3,723.56, 5,135.67 and 2,529.47

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Solution

The fourth proportional to 3,723.56, 5,135.67 and 2,529.47 is: 3,488.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,723.56 : 5,135.67 = 2,529.47 : x
  2. Step 2: Convert to fraction form
    3,723.56/5,135.67 = 2,529.47/x
  3. Step 3: Cross multiply
    3,723.56x = 5,135.67 × 2,529.47
  4. Step 4: Simplify right side
    3,723.56x = 12,990,523.19
  5. Step 5: Solve for x
    x = 12,990,523.19/3,723.56
  6. Step 6: Final answer
    x = 3,488.73

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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.