Home / 3,487.22-5,231.66-1,022.12

Finding the Fourth Proportional to 3,487.22, 5,231.66 and 1,022.12

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Solution

The fourth proportional to 3,487.22, 5,231.66 and 1,022.12 is: 1,533.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.22 : 5,231.66 = 1,022.12 : x
  2. Step 2: Convert to fraction form
    3,487.22/5,231.66 = 1,022.12/x
  3. Step 3: Cross multiply
    3,487.22x = 5,231.66 × 1,022.12
  4. Step 4: Simplify right side
    3,487.22x = 5,347,384.32
  5. Step 5: Solve for x
    x = 5,347,384.32/3,487.22
  6. Step 6: Final answer
    x = 1,533.42

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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.