Home / 3,199.18-4,415.56-2,020.02

Finding the Fourth Proportional to 3,199.18, 4,415.56 and 2,020.02

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Solution

The fourth proportional to 3,199.18, 4,415.56 and 2,020.02 is: 2,788.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,199.18 : 4,415.56 = 2,020.02 : x
  2. Step 2: Convert to fraction form
    3,199.18/4,415.56 = 2,020.02/x
  3. Step 3: Cross multiply
    3,199.18x = 4,415.56 × 2,020.02
  4. Step 4: Simplify right side
    3,199.18x = 8,919,519.51
  5. Step 5: Solve for x
    x = 8,919,519.51/3,199.18
  6. Step 6: Final answer
    x = 2,788.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.