Home / 2,774.86-4,150.90-2,531.56

Finding the Fourth Proportional to 2,774.86, 4,150.90 and 2,531.56

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Solution

The fourth proportional to 2,774.86, 4,150.90 and 2,531.56 is: 3,786.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,774.86 : 4,150.90 = 2,531.56 : x
  2. Step 2: Convert to fraction form
    2,774.86/4,150.90 = 2,531.56/x
  3. Step 3: Cross multiply
    2,774.86x = 4,150.90 × 2,531.56
  4. Step 4: Simplify right side
    2,774.86x = 10,508,252.40
  5. Step 5: Solve for x
    x = 10,508,252.40/2,774.86
  6. Step 6: Final answer
    x = 3,786.95

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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.