Home / 3,221.08-4,830.26-1,029.22

Finding the Fourth Proportional to 3,221.08, 4,830.26 and 1,029.22

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Solution

The fourth proportional to 3,221.08, 4,830.26 and 1,029.22 is: 1,543.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221.08 : 4,830.26 = 1,029.22 : x
  2. Step 2: Convert to fraction form
    3,221.08/4,830.26 = 1,029.22/x
  3. Step 3: Cross multiply
    3,221.08x = 4,830.26 × 1,029.22
  4. Step 4: Simplify right side
    3,221.08x = 4,971,376.05
  5. Step 5: Solve for x
    x = 4,971,376.05/3,221.08
  6. Step 6: Final answer
    x = 1,543.39

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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.