Home / 3,406.92-5,107.61-1,065.71

Finding the Fourth Proportional to 3,406.92, 5,107.61 and 1,065.71

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Solution

The fourth proportional to 3,406.92, 5,107.61 and 1,065.71 is: 1,597.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,406.92 : 5,107.61 = 1,065.71 : x
  2. Step 2: Convert to fraction form
    3,406.92/5,107.61 = 1,065.71/x
  3. Step 3: Cross multiply
    3,406.92x = 5,107.61 × 1,065.71
  4. Step 4: Simplify right side
    3,406.92x = 5,443,246.49
  5. Step 5: Solve for x
    x = 5,443,246.49/3,406.92
  6. Step 6: Final answer
    x = 1,597.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.