Home / 4,087.83-5,641.35-2,894.97

Finding the Fourth Proportional to 4,087.83, 5,641.35 and 2,894.97

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Solution

The fourth proportional to 4,087.83, 5,641.35 and 2,894.97 is: 3,995.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.83 : 5,641.35 = 2,894.97 : x
  2. Step 2: Convert to fraction form
    4,087.83/5,641.35 = 2,894.97/x
  3. Step 3: Cross multiply
    4,087.83x = 5,641.35 × 2,894.97
  4. Step 4: Simplify right side
    4,087.83x = 16,331,539.01
  5. Step 5: Solve for x
    x = 16,331,539.01/4,087.83
  6. Step 6: Final answer
    x = 3,995.16

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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.