Home / 3,815.35-5,723.47-1,349.66

Finding the Fourth Proportional to 3,815.35, 5,723.47 and 1,349.66

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Solution

The fourth proportional to 3,815.35, 5,723.47 and 1,349.66 is: 2,024.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815.35 : 5,723.47 = 1,349.66 : x
  2. Step 2: Convert to fraction form
    3,815.35/5,723.47 = 1,349.66/x
  3. Step 3: Cross multiply
    3,815.35x = 5,723.47 × 1,349.66
  4. Step 4: Simplify right side
    3,815.35x = 7,724,738.52
  5. Step 5: Solve for x
    x = 7,724,738.52/3,815.35
  6. Step 6: Final answer
    x = 2,024.65

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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.