Home / 3,419.91-4,719.42-1,927.96

Finding the Fourth Proportional to 3,419.91, 4,719.42 and 1,927.96

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Solution

The fourth proportional to 3,419.91, 4,719.42 and 1,927.96 is: 2,660.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419.91 : 4,719.42 = 1,927.96 : x
  2. Step 2: Convert to fraction form
    3,419.91/4,719.42 = 1,927.96/x
  3. Step 3: Cross multiply
    3,419.91x = 4,719.42 × 1,927.96
  4. Step 4: Simplify right side
    3,419.91x = 9,098,852.98
  5. Step 5: Solve for x
    x = 9,098,852.98/3,419.91
  6. Step 6: Final answer
    x = 2,660.55

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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.