Home / 2,270.15-3,131.21-2,193.95

Finding the Fourth Proportional to 2,270.15, 3,131.21 and 2,193.95

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Solution

The fourth proportional to 2,270.15, 3,131.21 and 2,193.95 is: 3,026.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270.15 : 3,131.21 = 2,193.95 : x
  2. Step 2: Convert to fraction form
    2,270.15/3,131.21 = 2,193.95/x
  3. Step 3: Cross multiply
    2,270.15x = 3,131.21 × 2,193.95
  4. Step 4: Simplify right side
    2,270.15x = 6,869,691.55
  5. Step 5: Solve for x
    x = 6,869,691.55/2,270.15
  6. Step 6: Final answer
    x = 3,026.10

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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.