Home / 3,977.13-5,965.85-1,203.91

Finding the Fourth Proportional to 3,977.13, 5,965.85 and 1,203.91

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Solution

The fourth proportional to 3,977.13, 5,965.85 and 1,203.91 is: 1,805.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977.13 : 5,965.85 = 1,203.91 : x
  2. Step 2: Convert to fraction form
    3,977.13/5,965.85 = 1,203.91/x
  3. Step 3: Cross multiply
    3,977.13x = 5,965.85 × 1,203.91
  4. Step 4: Simplify right side
    3,977.13x = 7,182,346.47
  5. Step 5: Solve for x
    x = 7,182,346.47/3,977.13
  6. Step 6: Final answer
    x = 1,805.91

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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.