Home / 2,474.25-3,710.81-719.27

Finding the Fourth Proportional to 2,474.25, 3,710.81 and 719.27

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Solution

The fourth proportional to 2,474.25, 3,710.81 and 719.27 is: 1,078.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,474.25 : 3,710.81 = 719.27 : x
  2. Step 2: Convert to fraction form
    2,474.25/3,710.81 = 719.27/x
  3. Step 3: Cross multiply
    2,474.25x = 3,710.81 × 719.27
  4. Step 4: Simplify right side
    2,474.25x = 2,669,074.31
  5. Step 5: Solve for x
    x = 2,669,074.31/2,474.25
  6. Step 6: Final answer
    x = 1,078.74

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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.