Home / 3,406.31-5,110.68-1,946.69

Finding the Fourth Proportional to 3,406.31, 5,110.68 and 1,946.69

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Solution

The fourth proportional to 3,406.31, 5,110.68 and 1,946.69 is: 2,920.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,406.31 : 5,110.68 = 1,946.69 : x
  2. Step 2: Convert to fraction form
    3,406.31/5,110.68 = 1,946.69/x
  3. Step 3: Cross multiply
    3,406.31x = 5,110.68 × 1,946.69
  4. Step 4: Simplify right side
    3,406.31x = 9,948,909.65
  5. Step 5: Solve for x
    x = 9,948,909.65/3,406.31
  6. Step 6: Final answer
    x = 2,920.73

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1.5x scale

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.