Home / 3,869.88-5,800.86-2,020.02

Finding the Fourth Proportional to 3,869.88, 5,800.86 and 2,020.02

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Solution

The fourth proportional to 3,869.88, 5,800.86 and 2,020.02 is: 3,027.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,869.88 : 5,800.86 = 2,020.02 : x
  2. Step 2: Convert to fraction form
    3,869.88/5,800.86 = 2,020.02/x
  3. Step 3: Cross multiply
    3,869.88x = 5,800.86 × 2,020.02
  4. Step 4: Simplify right side
    3,869.88x = 11,717,853.22
  5. Step 5: Solve for x
    x = 11,717,853.22/3,869.88
  6. Step 6: Final answer
    x = 3,027.96

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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.