Home / 4,092.88-5,641.43-2,896.32

Finding the Fourth Proportional to 4,092.88, 5,641.43 and 2,896.32

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Solution

The fourth proportional to 4,092.88, 5,641.43 and 2,896.32 is: 3,992.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,092.88 : 5,641.43 = 2,896.32 : x
  2. Step 2: Convert to fraction form
    4,092.88/5,641.43 = 2,896.32/x
  3. Step 3: Cross multiply
    4,092.88x = 5,641.43 × 2,896.32
  4. Step 4: Simplify right side
    4,092.88x = 16,339,386.54
  5. Step 5: Solve for x
    x = 16,339,386.54/4,092.88
  6. Step 6: Final answer
    x = 3,992.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.