Home / 3,481.58-5,222.40-1,018.12

Finding the Fourth Proportional to 3,481.58, 5,222.40 and 1,018.12

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Solution

The fourth proportional to 3,481.58, 5,222.40 and 1,018.12 is: 1,527.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,481.58 : 5,222.40 = 1,018.12 : x
  2. Step 2: Convert to fraction form
    3,481.58/5,222.40 = 1,018.12/x
  3. Step 3: Cross multiply
    3,481.58x = 5,222.40 × 1,018.12
  4. Step 4: Simplify right side
    3,481.58x = 5,317,011.74
  5. Step 5: Solve for x
    x = 5,317,011.74/3,481.58
  6. Step 6: Final answer
    x = 1,527.18

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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.