Home / 3,458.16-5,187.76-1,236.82

Finding the Fourth Proportional to 3,458.16, 5,187.76 and 1,236.82

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Solution

The fourth proportional to 3,458.16, 5,187.76 and 1,236.82 is: 1,855.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458.16 : 5,187.76 = 1,236.82 : x
  2. Step 2: Convert to fraction form
    3,458.16/5,187.76 = 1,236.82/x
  3. Step 3: Cross multiply
    3,458.16x = 5,187.76 × 1,236.82
  4. Step 4: Simplify right side
    3,458.16x = 6,416,325.32
  5. Step 5: Solve for x
    x = 6,416,325.32/3,458.16
  6. Step 6: Final answer
    x = 1,855.42

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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.