Home / 3,185.79-4,397.39-2,064.75

Finding the Fourth Proportional to 3,185.79, 4,397.39 and 2,064.75

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Solution

The fourth proportional to 3,185.79, 4,397.39 and 2,064.75 is: 2,850.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185.79 : 4,397.39 = 2,064.75 : x
  2. Step 2: Convert to fraction form
    3,185.79/4,397.39 = 2,064.75/x
  3. Step 3: Cross multiply
    3,185.79x = 4,397.39 × 2,064.75
  4. Step 4: Simplify right side
    3,185.79x = 9,079,511.00
  5. Step 5: Solve for x
    x = 9,079,511.00/3,185.79
  6. Step 6: Final answer
    x = 2,850.00

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Half scale
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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.