Home / 3,639.89-5,459.82-1,042.82

Finding the Fourth Proportional to 3,639.89, 5,459.82 and 1,042.82

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Solution

The fourth proportional to 3,639.89, 5,459.82 and 1,042.82 is: 1,564.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.89 : 5,459.82 = 1,042.82 : x
  2. Step 2: Convert to fraction form
    3,639.89/5,459.82 = 1,042.82/x
  3. Step 3: Cross multiply
    3,639.89x = 5,459.82 × 1,042.82
  4. Step 4: Simplify right side
    3,639.89x = 5,693,609.49
  5. Step 5: Solve for x
    x = 5,693,609.49/3,639.89
  6. Step 6: Final answer
    x = 1,564.23

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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.