Home / 2,774.13-4,155.12-2,152.95

Finding the Fourth Proportional to 2,774.13, 4,155.12 and 2,152.95

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Solution

The fourth proportional to 2,774.13, 4,155.12 and 2,152.95 is: 3,224.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,774.13 : 4,155.12 = 2,152.95 : x
  2. Step 2: Convert to fraction form
    2,774.13/4,155.12 = 2,152.95/x
  3. Step 3: Cross multiply
    2,774.13x = 4,155.12 × 2,152.95
  4. Step 4: Simplify right side
    2,774.13x = 8,945,765.60
  5. Step 5: Solve for x
    x = 8,945,765.60/2,774.13
  6. Step 6: Final answer
    x = 3,224.71

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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.