Home / 3,169.24-4,371.46-1,909.42

Finding the Fourth Proportional to 3,169.24, 4,371.46 and 1,909.42

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Solution

The fourth proportional to 3,169.24, 4,371.46 and 1,909.42 is: 2,633.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169.24 : 4,371.46 = 1,909.42 : x
  2. Step 2: Convert to fraction form
    3,169.24/4,371.46 = 1,909.42/x
  3. Step 3: Cross multiply
    3,169.24x = 4,371.46 × 1,909.42
  4. Step 4: Simplify right side
    3,169.24x = 8,346,953.15
  5. Step 5: Solve for x
    x = 8,346,953.15/3,169.24
  6. Step 6: Final answer
    x = 2,633.74

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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.