Home / 3,982.02-5,973.78-1,208.94

Finding the Fourth Proportional to 3,982.02, 5,973.78 and 1,208.94

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Solution

The fourth proportional to 3,982.02, 5,973.78 and 1,208.94 is: 1,813.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.02 : 5,973.78 = 1,208.94 : x
  2. Step 2: Convert to fraction form
    3,982.02/5,973.78 = 1,208.94/x
  3. Step 3: Cross multiply
    3,982.02x = 5,973.78 × 1,208.94
  4. Step 4: Simplify right side
    3,982.02x = 7,221,941.59
  5. Step 5: Solve for x
    x = 7,221,941.59/3,982.02
  6. Step 6: Final answer
    x = 1,813.64

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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.