Home / 3,873.48-5,812.92-2,902.11

Finding the Fourth Proportional to 3,873.48, 5,812.92 and 2,902.11

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Solution

The fourth proportional to 3,873.48, 5,812.92 and 2,902.11 is: 4,355.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,873.48 : 5,812.92 = 2,902.11 : x
  2. Step 2: Convert to fraction form
    3,873.48/5,812.92 = 2,902.11/x
  3. Step 3: Cross multiply
    3,873.48x = 5,812.92 × 2,902.11
  4. Step 4: Simplify right side
    3,873.48x = 16,869,733.26
  5. Step 5: Solve for x
    x = 16,869,733.26/3,873.48
  6. Step 6: Final answer
    x = 4,355.19

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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.