Home / 3,419.12-5,122.02-2,165.87

Finding the Fourth Proportional to 3,419.12, 5,122.02 and 2,165.87

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Solution

The fourth proportional to 3,419.12, 5,122.02 and 2,165.87 is: 3,244.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419.12 : 5,122.02 = 2,165.87 : x
  2. Step 2: Convert to fraction form
    3,419.12/5,122.02 = 2,165.87/x
  3. Step 3: Cross multiply
    3,419.12x = 5,122.02 × 2,165.87
  4. Step 4: Simplify right side
    3,419.12x = 11,093,629.46
  5. Step 5: Solve for x
    x = 11,093,629.46/3,419.12
  6. Step 6: Final answer
    x = 3,244.59

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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.