Home / 3,794.86-5,236.98-2,116.30

Finding the Fourth Proportional to 3,794.86, 5,236.98 and 2,116.30

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Solution

The fourth proportional to 3,794.86, 5,236.98 and 2,116.30 is: 2,920.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,794.86 : 5,236.98 = 2,116.30 : x
  2. Step 2: Convert to fraction form
    3,794.86/5,236.98 = 2,116.30/x
  3. Step 3: Cross multiply
    3,794.86x = 5,236.98 × 2,116.30
  4. Step 4: Simplify right side
    3,794.86x = 11,083,020.77
  5. Step 5: Solve for x
    x = 11,083,020.77/3,794.86
  6. Step 6: Final answer
    x = 2,920.53

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1.5x scale

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.