Home / 3,086.67-4,627.17-1,005.39

Finding the Fourth Proportional to 3,086.67, 4,627.17 and 1,005.39

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Solution

The fourth proportional to 3,086.67, 4,627.17 and 1,005.39 is: 1,507.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.67 : 4,627.17 = 1,005.39 : x
  2. Step 2: Convert to fraction form
    3,086.67/4,627.17 = 1,005.39/x
  3. Step 3: Cross multiply
    3,086.67x = 4,627.17 × 1,005.39
  4. Step 4: Simplify right side
    3,086.67x = 4,652,110.45
  5. Step 5: Solve for x
    x = 4,652,110.45/3,086.67
  6. Step 6: Final answer
    x = 1,507.16

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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.