Home / 3,066.54-4,231.14-1,806.72

Finding the Fourth Proportional to 3,066.54, 4,231.14 and 1,806.72

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Solution

The fourth proportional to 3,066.54, 4,231.14 and 1,806.72 is: 2,492.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,066.54 : 4,231.14 = 1,806.72 : x
  2. Step 2: Convert to fraction form
    3,066.54/4,231.14 = 1,806.72/x
  3. Step 3: Cross multiply
    3,066.54x = 4,231.14 × 1,806.72
  4. Step 4: Simplify right side
    3,066.54x = 7,644,485.26
  5. Step 5: Solve for x
    x = 7,644,485.26/3,066.54
  6. Step 6: Final answer
    x = 2,492.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.