Home / 2,792.40-4,187.37-844.23

Finding the Fourth Proportional to 2,792.40, 4,187.37 and 844.23

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Solution

The fourth proportional to 2,792.40, 4,187.37 and 844.23 is: 1,265.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792.40 : 4,187.37 = 844.23 : x
  2. Step 2: Convert to fraction form
    2,792.40/4,187.37 = 844.23/x
  3. Step 3: Cross multiply
    2,792.40x = 4,187.37 × 844.23
  4. Step 4: Simplify right side
    2,792.40x = 3,535,103.38
  5. Step 5: Solve for x
    x = 3,535,103.38/2,792.40
  6. Step 6: Final answer
    x = 1,265.97

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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.