Home / 3,081.58-4,622.76-1,135.14

Finding the Fourth Proportional to 3,081.58, 4,622.76 and 1,135.14

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Solution

The fourth proportional to 3,081.58, 4,622.76 and 1,135.14 is: 1,702.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.58 : 4,622.76 = 1,135.14 : x
  2. Step 2: Convert to fraction form
    3,081.58/4,622.76 = 1,135.14/x
  3. Step 3: Cross multiply
    3,081.58x = 4,622.76 × 1,135.14
  4. Step 4: Simplify right side
    3,081.58x = 5,247,479.79
  5. Step 5: Solve for x
    x = 5,247,479.79/3,081.58
  6. Step 6: Final answer
    x = 1,702.85

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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.