Home / 3,982.29-5,973.36-1,208.98

Finding the Fourth Proportional to 3,982.29, 5,973.36 and 1,208.98

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Solution

The fourth proportional to 3,982.29, 5,973.36 and 1,208.98 is: 1,813.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.29 : 5,973.36 = 1,208.98 : x
  2. Step 2: Convert to fraction form
    3,982.29/5,973.36 = 1,208.98/x
  3. Step 3: Cross multiply
    3,982.29x = 5,973.36 × 1,208.98
  4. Step 4: Simplify right side
    3,982.29x = 7,221,672.77
  5. Step 5: Solve for x
    x = 7,221,672.77/3,982.29
  6. Step 6: Final answer
    x = 1,813.45

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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.