Home / 3,106.17-4,286.43-1,708.92

Finding the Fourth Proportional to 3,106.17, 4,286.43 and 1,708.92

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Solution

The fourth proportional to 3,106.17, 4,286.43 and 1,708.92 is: 2,358.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,106.17 : 4,286.43 = 1,708.92 : x
  2. Step 2: Convert to fraction form
    3,106.17/4,286.43 = 1,708.92/x
  3. Step 3: Cross multiply
    3,106.17x = 4,286.43 × 1,708.92
  4. Step 4: Simplify right side
    3,106.17x = 7,325,165.96
  5. Step 5: Solve for x
    x = 7,325,165.96/3,106.17
  6. Step 6: Final answer
    x = 2,358.26

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