Home / 3,090.92-4,634.94-1,792.76

Finding the Fourth Proportional to 3,090.92, 4,634.94 and 1,792.76

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Solution

The fourth proportional to 3,090.92, 4,634.94 and 1,792.76 is: 2,688.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.92 : 4,634.94 = 1,792.76 : x
  2. Step 2: Convert to fraction form
    3,090.92/4,634.94 = 1,792.76/x
  3. Step 3: Cross multiply
    3,090.92x = 4,634.94 × 1,792.76
  4. Step 4: Simplify right side
    3,090.92x = 8,309,335.03
  5. Step 5: Solve for x
    x = 8,309,335.03/3,090.92
  6. Step 6: Final answer
    x = 2,688.30

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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.