Home / 3,812.61-5,719.37-1,346.91

Finding the Fourth Proportional to 3,812.61, 5,719.37 and 1,346.91

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Solution

The fourth proportional to 3,812.61, 5,719.37 and 1,346.91 is: 2,020.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,812.61 : 5,719.37 = 1,346.91 : x
  2. Step 2: Convert to fraction form
    3,812.61/5,719.37 = 1,346.91/x
  3. Step 3: Cross multiply
    3,812.61x = 5,719.37 × 1,346.91
  4. Step 4: Simplify right side
    3,812.61x = 7,703,469.91
  5. Step 5: Solve for x
    x = 7,703,469.91/3,812.61
  6. Step 6: Final answer
    x = 2,020.52

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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.