Home / 3,977.58-5,972.01-2,887.38

Finding the Fourth Proportional to 3,977.58, 5,972.01 and 2,887.38

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Solution

The fourth proportional to 3,977.58, 5,972.01 and 2,887.38 is: 4,335.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977.58 : 5,972.01 = 2,887.38 : x
  2. Step 2: Convert to fraction form
    3,977.58/5,972.01 = 2,887.38/x
  3. Step 3: Cross multiply
    3,977.58x = 5,972.01 × 2,887.38
  4. Step 4: Simplify right side
    3,977.58x = 17,243,462.23
  5. Step 5: Solve for x
    x = 17,243,462.23/3,977.58
  6. Step 6: Final answer
    x = 4,335.16

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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.