Home / 3,913.11-5,865.96-1,314.22

Finding the Fourth Proportional to 3,913.11, 5,865.96 and 1,314.22

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Solution

The fourth proportional to 3,913.11, 5,865.96 and 1,314.22 is: 1,970.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913.11 : 5,865.96 = 1,314.22 : x
  2. Step 2: Convert to fraction form
    3,913.11/5,865.96 = 1,314.22/x
  3. Step 3: Cross multiply
    3,913.11x = 5,865.96 × 1,314.22
  4. Step 4: Simplify right side
    3,913.11x = 7,709,161.95
  5. Step 5: Solve for x
    x = 7,709,161.95/3,913.11
  6. Step 6: Final answer
    x = 1,970.09

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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.