Home / 3,684.92-5,085.15-2,192.81

Finding the Fourth Proportional to 3,684.92, 5,085.15 and 2,192.81

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Solution

The fourth proportional to 3,684.92, 5,085.15 and 2,192.81 is: 3,026.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,684.92 : 5,085.15 = 2,192.81 : x
  2. Step 2: Convert to fraction form
    3,684.92/5,085.15 = 2,192.81/x
  3. Step 3: Cross multiply
    3,684.92x = 5,085.15 × 2,192.81
  4. Step 4: Simplify right side
    3,684.92x = 11,150,767.77
  5. Step 5: Solve for x
    x = 11,150,767.77/3,684.92
  6. Step 6: Final answer
    x = 3,026.05

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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.