Home / 3,684.60-5,083.20-2,192.40

Finding the Fourth Proportional to 3,684.60, 5,083.20 and 2,192.40

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Solution

The fourth proportional to 3,684.60, 5,083.20 and 2,192.40 is: 3,024.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,684.60 : 5,083.20 = 2,192.40 : x
  2. Step 2: Convert to fraction form
    3,684.60/5,083.20 = 2,192.40/x
  3. Step 3: Cross multiply
    3,684.60x = 5,083.20 × 2,192.40
  4. Step 4: Simplify right side
    3,684.60x = 11,144,407.68
  5. Step 5: Solve for x
    x = 11,144,407.68/3,684.60
  6. Step 6: Final answer
    x = 3,024.59

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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.