Home / 3,481.24-5,215.32-1,724.20

Finding the Fourth Proportional to 3,481.24, 5,215.32 and 1,724.20

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Solution

The fourth proportional to 3,481.24, 5,215.32 and 1,724.20 is: 2,583.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,481.24 : 5,215.32 = 1,724.20 : x
  2. Step 2: Convert to fraction form
    3,481.24/5,215.32 = 1,724.20/x
  3. Step 3: Cross multiply
    3,481.24x = 5,215.32 × 1,724.20
  4. Step 4: Simplify right side
    3,481.24x = 8,992,254.74
  5. Step 5: Solve for x
    x = 8,992,254.74/3,481.24
  6. Step 6: Final answer
    x = 2,583.06

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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.