Home / 3,982.41-5,973.08-1,385.01

Finding the Fourth Proportional to 3,982.41, 5,973.08 and 1,385.01

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Solution

The fourth proportional to 3,982.41, 5,973.08 and 1,385.01 is: 2,077.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.41 : 5,973.08 = 1,385.01 : x
  2. Step 2: Convert to fraction form
    3,982.41/5,973.08 = 1,385.01/x
  3. Step 3: Cross multiply
    3,982.41x = 5,973.08 × 1,385.01
  4. Step 4: Simplify right side
    3,982.41x = 8,272,768.61
  5. Step 5: Solve for x
    x = 8,272,768.61/3,982.41
  6. Step 6: Final answer
    x = 2,077.33

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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.