Home / 2,459.11-3,688.66-727.73

Finding the Fourth Proportional to 2,459.11, 3,688.66 and 727.73

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Solution

The fourth proportional to 2,459.11, 3,688.66 and 727.73 is: 1,091.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,459.11 : 3,688.66 = 727.73 : x
  2. Step 2: Convert to fraction form
    2,459.11/3,688.66 = 727.73/x
  3. Step 3: Cross multiply
    2,459.11x = 3,688.66 × 727.73
  4. Step 4: Simplify right side
    2,459.11x = 2,684,348.54
  5. Step 5: Solve for x
    x = 2,684,348.54/2,459.11
  6. Step 6: Final answer
    x = 1,091.60

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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.