Home / 3,812.46-5,714.83-2,407.92

Finding the Fourth Proportional to 3,812.46, 5,714.83 and 2,407.92

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Solution

The fourth proportional to 3,812.46, 5,714.83 and 2,407.92 is: 3,609.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,812.46 : 5,714.83 = 2,407.92 : x
  2. Step 2: Convert to fraction form
    3,812.46/5,714.83 = 2,407.92/x
  3. Step 3: Cross multiply
    3,812.46x = 5,714.83 × 2,407.92
  4. Step 4: Simplify right side
    3,812.46x = 13,760,853.45
  5. Step 5: Solve for x
    x = 13,760,853.45/3,812.46
  6. Step 6: Final answer
    x = 3,609.44

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1.5x scale

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.