Home / 2,194.10-3,028.20-1,397.77

Finding the Fourth Proportional to 2,194.10, 3,028.20 and 1,397.77

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Solution

The fourth proportional to 2,194.10, 3,028.20 and 1,397.77 is: 1,929.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,194.10 : 3,028.20 = 1,397.77 : x
  2. Step 2: Convert to fraction form
    2,194.10/3,028.20 = 1,397.77/x
  3. Step 3: Cross multiply
    2,194.10x = 3,028.20 × 1,397.77
  4. Step 4: Simplify right side
    2,194.10x = 4,232,720.53
  5. Step 5: Solve for x
    x = 4,232,720.53/2,194.10
  6. Step 6: Final answer
    x = 1,929.14

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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.