Home / 3,982.69-5,973.93-1,904.16

Finding the Fourth Proportional to 3,982.69, 5,973.93 and 1,904.16

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Solution

The fourth proportional to 3,982.69, 5,973.93 and 1,904.16 is: 2,856.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.69 : 5,973.93 = 1,904.16 : x
  2. Step 2: Convert to fraction form
    3,982.69/5,973.93 = 1,904.16/x
  3. Step 3: Cross multiply
    3,982.69x = 5,973.93 × 1,904.16
  4. Step 4: Simplify right side
    3,982.69x = 11,375,318.55
  5. Step 5: Solve for x
    x = 11,375,318.55/3,982.69
  6. Step 6: Final answer
    x = 2,856.19

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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.