Home / 3,077.11-4,612.88-1,227.84

Finding the Fourth Proportional to 3,077.11, 4,612.88 and 1,227.84

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Solution

The fourth proportional to 3,077.11, 4,612.88 and 1,227.84 is: 1,840.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077.11 : 4,612.88 = 1,227.84 : x
  2. Step 2: Convert to fraction form
    3,077.11/4,612.88 = 1,227.84/x
  3. Step 3: Cross multiply
    3,077.11x = 4,612.88 × 1,227.84
  4. Step 4: Simplify right side
    3,077.11x = 5,663,849.38
  5. Step 5: Solve for x
    x = 5,663,849.38/3,077.11
  6. Step 6: Final answer
    x = 1,840.64

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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.