Home / 3,412.50-4,708.94-1,995.75

Finding the Fourth Proportional to 3,412.50, 4,708.94 and 1,995.75

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Solution

The fourth proportional to 3,412.50, 4,708.94 and 1,995.75 is: 2,753.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,412.50 : 4,708.94 = 1,995.75 : x
  2. Step 2: Convert to fraction form
    3,412.50/4,708.94 = 1,995.75/x
  3. Step 3: Cross multiply
    3,412.50x = 4,708.94 × 1,995.75
  4. Step 4: Simplify right side
    3,412.50x = 9,397,857.03
  5. Step 5: Solve for x
    x = 9,397,857.03/3,412.50
  6. Step 6: Final answer
    x = 2,753.95

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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.