Home / 3,977.05-5,966.54-1,203.56

Finding the Fourth Proportional to 3,977.05, 5,966.54 and 1,203.56

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Solution

The fourth proportional to 3,977.05, 5,966.54 and 1,203.56 is: 1,805.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977.05 : 5,966.54 = 1,203.56 : x
  2. Step 2: Convert to fraction form
    3,977.05/5,966.54 = 1,203.56/x
  3. Step 3: Cross multiply
    3,977.05x = 5,966.54 × 1,203.56
  4. Step 4: Simplify right side
    3,977.05x = 7,181,113.48
  5. Step 5: Solve for x
    x = 7,181,113.48/3,977.05
  6. Step 6: Final answer
    x = 1,805.64

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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.