Home / 3,927.36-5,892.39-1,977.96

Finding the Fourth Proportional to 3,927.36, 5,892.39 and 1,977.96

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Solution

The fourth proportional to 3,927.36, 5,892.39 and 1,977.96 is: 2,967.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.36 : 5,892.39 = 1,977.96 : x
  2. Step 2: Convert to fraction form
    3,927.36/5,892.39 = 1,977.96/x
  3. Step 3: Cross multiply
    3,927.36x = 5,892.39 × 1,977.96
  4. Step 4: Simplify right side
    3,927.36x = 11,654,911.72
  5. Step 5: Solve for x
    x = 11,654,911.72/3,927.36
  6. Step 6: Final answer
    x = 2,967.62

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1.5x scale

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.