Home / 3,412.46-4,707.39-2,086.22

Finding the Fourth Proportional to 3,412.46, 4,707.39 and 2,086.22

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Solution

The fourth proportional to 3,412.46, 4,707.39 and 2,086.22 is: 2,877.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,412.46 : 4,707.39 = 2,086.22 : x
  2. Step 2: Convert to fraction form
    3,412.46/4,707.39 = 2,086.22/x
  3. Step 3: Cross multiply
    3,412.46x = 4,707.39 × 2,086.22
  4. Step 4: Simplify right side
    3,412.46x = 9,820,651.17
  5. Step 5: Solve for x
    x = 9,820,651.17/3,412.46
  6. Step 6: Final answer
    x = 2,877.88

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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.