Home / 3,221.82-4,832.79-1,030.29

Finding the Fourth Proportional to 3,221.82, 4,832.79 and 1,030.29

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Solution

The fourth proportional to 3,221.82, 4,832.79 and 1,030.29 is: 1,545.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221.82 : 4,832.79 = 1,030.29 : x
  2. Step 2: Convert to fraction form
    3,221.82/4,832.79 = 1,030.29/x
  3. Step 3: Cross multiply
    3,221.82x = 4,832.79 × 1,030.29
  4. Step 4: Simplify right side
    3,221.82x = 4,979,175.21
  5. Step 5: Solve for x
    x = 4,979,175.21/3,221.82
  6. Step 6: Final answer
    x = 1,545.45

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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.