Home / 3,218.13-4,829.22-1,028.50

Finding the Fourth Proportional to 3,218.13, 4,829.22 and 1,028.50

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Solution

The fourth proportional to 3,218.13, 4,829.22 and 1,028.50 is: 1,543.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.13 : 4,829.22 = 1,028.50 : x
  2. Step 2: Convert to fraction form
    3,218.13/4,829.22 = 1,028.50/x
  3. Step 3: Cross multiply
    3,218.13x = 4,829.22 × 1,028.50
  4. Step 4: Simplify right side
    3,218.13x = 4,966,840.70
  5. Step 5: Solve for x
    x = 4,966,840.70/3,218.13
  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.