Home / 3,812.29-5,718.90-1,346.61

Finding the Fourth Proportional to 3,812.29, 5,718.90 and 1,346.61

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Solution

The fourth proportional to 3,812.29, 5,718.90 and 1,346.61 is: 2,020.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,812.29 : 5,718.90 = 1,346.61 : x
  2. Step 2: Convert to fraction form
    3,812.29/5,718.90 = 1,346.61/x
  3. Step 3: Cross multiply
    3,812.29x = 5,718.90 × 1,346.61
  4. Step 4: Simplify right side
    3,812.29x = 7,701,095.97
  5. Step 5: Solve for x
    x = 7,701,095.97/3,812.29
  6. Step 6: Final answer
    x = 2,020.07

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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.