Home / 3,419.24-5,117.92-2,429.62

Finding the Fourth Proportional to 3,419.24, 5,117.92 and 2,429.62

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Solution

The fourth proportional to 3,419.24, 5,117.92 and 2,429.62 is: 3,636.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419.24 : 5,117.92 = 2,429.62 : x
  2. Step 2: Convert to fraction form
    3,419.24/5,117.92 = 2,429.62/x
  3. Step 3: Cross multiply
    3,419.24x = 5,117.92 × 2,429.62
  4. Step 4: Simplify right side
    3,419.24x = 12,434,581.92
  5. Step 5: Solve for x
    x = 12,434,581.92/3,419.24
  6. Step 6: Final answer
    x = 3,636.66

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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.