Home / 3,419.92-5,129.73-2,376.84

Finding the Fourth Proportional to 3,419.92, 5,129.73 and 2,376.84

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Solution

The fourth proportional to 3,419.92, 5,129.73 and 2,376.84 is: 3,565.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419.92 : 5,129.73 = 2,376.84 : x
  2. Step 2: Convert to fraction form
    3,419.92/5,129.73 = 2,376.84/x
  3. Step 3: Cross multiply
    3,419.92x = 5,129.73 × 2,376.84
  4. Step 4: Simplify right side
    3,419.92x = 12,192,566.69
  5. Step 5: Solve for x
    x = 12,192,566.69/3,419.92
  6. Step 6: Final answer
    x = 3,565.16

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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.