Home / 2,083.19-3,121.27-1,465.80

Finding the Fourth Proportional to 2,083.19, 3,121.27 and 1,465.80

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Solution

The fourth proportional to 2,083.19, 3,121.27 and 1,465.80 is: 2,196.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,083.19 : 3,121.27 = 1,465.80 : x
  2. Step 2: Convert to fraction form
    2,083.19/3,121.27 = 1,465.80/x
  3. Step 3: Cross multiply
    2,083.19x = 3,121.27 × 1,465.80
  4. Step 4: Simplify right side
    2,083.19x = 4,575,142.20
  5. Step 5: Solve for x
    x = 4,575,142.20/2,083.19
  6. Step 6: Final answer
    x = 2,196.22

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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.