Home / 3,815.70-5,725.10-2,062.86

Finding the Fourth Proportional to 3,815.70, 5,725.10 and 2,062.86

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Solution

The fourth proportional to 3,815.70, 5,725.10 and 2,062.86 is: 3,095.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815.70 : 5,725.10 = 2,062.86 : x
  2. Step 2: Convert to fraction form
    3,815.70/5,725.10 = 2,062.86/x
  3. Step 3: Cross multiply
    3,815.70x = 5,725.10 × 2,062.86
  4. Step 4: Simplify right side
    3,815.70x = 11,810,079.79
  5. Step 5: Solve for x
    x = 11,810,079.79/3,815.70
  6. Step 6: Final answer
    x = 3,095.13

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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.