Home / 2,020.14-3,031.61-1,327.14

Finding the Fourth Proportional to 2,020.14, 3,031.61 and 1,327.14

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Solution

The fourth proportional to 2,020.14, 3,031.61 and 1,327.14 is: 1,991.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020.14 : 3,031.61 = 1,327.14 : x
  2. Step 2: Convert to fraction form
    2,020.14/3,031.61 = 1,327.14/x
  3. Step 3: Cross multiply
    2,020.14x = 3,031.61 × 1,327.14
  4. Step 4: Simplify right side
    2,020.14x = 4,023,364.26
  5. Step 5: Solve for x
    x = 4,023,364.26/2,020.14
  6. Step 6: Final answer
    x = 1,991.63

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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.