Home / 3,792.92-5,685.65-1,816.27

Finding the Fourth Proportional to 3,792.92, 5,685.65 and 1,816.27

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Solution

The fourth proportional to 3,792.92, 5,685.65 and 1,816.27 is: 2,722.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,792.92 : 5,685.65 = 1,816.27 : x
  2. Step 2: Convert to fraction form
    3,792.92/5,685.65 = 1,816.27/x
  3. Step 3: Cross multiply
    3,792.92x = 5,685.65 × 1,816.27
  4. Step 4: Simplify right side
    3,792.92x = 10,326,675.53
  5. Step 5: Solve for x
    x = 10,326,675.53/3,792.92
  6. Step 6: Final answer
    x = 2,722.62

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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.