Home / 3,927.31-5,887.31-1,977.23

Finding the Fourth Proportional to 3,927.31, 5,887.31 and 1,977.23

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Solution

The fourth proportional to 3,927.31, 5,887.31 and 1,977.23 is: 2,964.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.31 : 5,887.31 = 1,977.23 : x
  2. Step 2: Convert to fraction form
    3,927.31/5,887.31 = 1,977.23/x
  3. Step 3: Cross multiply
    3,927.31x = 5,887.31 × 1,977.23
  4. Step 4: Simplify right side
    3,927.31x = 11,640,570.78
  5. Step 5: Solve for x
    x = 11,640,570.78/3,927.31
  6. Step 6: Final answer
    x = 2,964.01

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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.