Home / 2,481.61-3,716.54-2,155.23

Finding the Fourth Proportional to 2,481.61, 3,716.54 and 2,155.23

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Solution

The fourth proportional to 2,481.61, 3,716.54 and 2,155.23 is: 3,227.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,481.61 : 3,716.54 = 2,155.23 : x
  2. Step 2: Convert to fraction form
    2,481.61/3,716.54 = 2,155.23/x
  3. Step 3: Cross multiply
    2,481.61x = 3,716.54 × 2,155.23
  4. Step 4: Simplify right side
    2,481.61x = 8,009,998.50
  5. Step 5: Solve for x
    x = 8,009,998.50/2,481.61
  6. Step 6: Final answer
    x = 3,227.74

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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.