Home / 3,106.24-4,291.32-2,318.92

Finding the Fourth Proportional to 3,106.24, 4,291.32 and 2,318.92

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Solution

The fourth proportional to 3,106.24, 4,291.32 and 2,318.92 is: 3,203.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,106.24 : 4,291.32 = 2,318.92 : x
  2. Step 2: Convert to fraction form
    3,106.24/4,291.32 = 2,318.92/x
  3. Step 3: Cross multiply
    3,106.24x = 4,291.32 × 2,318.92
  4. Step 4: Simplify right side
    3,106.24x = 9,951,227.77
  5. Step 5: Solve for x
    x = 9,951,227.77/3,106.24
  6. Step 6: Final answer
    x = 3,203.62

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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.