Home / 3,812.07-5,714.20-2,579.61

Finding the Fourth Proportional to 3,812.07, 5,714.20 and 2,579.61

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Solution

The fourth proportional to 3,812.07, 5,714.20 and 2,579.61 is: 3,866.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,812.07 : 5,714.20 = 2,579.61 : x
  2. Step 2: Convert to fraction form
    3,812.07/5,714.20 = 2,579.61/x
  3. Step 3: Cross multiply
    3,812.07x = 5,714.20 × 2,579.61
  4. Step 4: Simplify right side
    3,812.07x = 14,740,407.46
  5. Step 5: Solve for x
    x = 14,740,407.46/3,812.07
  6. Step 6: Final answer
    x = 3,866.77

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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.