Home / 3,220.22-4,829.54-1,245.18

Finding the Fourth Proportional to 3,220.22, 4,829.54 and 1,245.18

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Solution

The fourth proportional to 3,220.22, 4,829.54 and 1,245.18 is: 1,867.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.22 : 4,829.54 = 1,245.18 : x
  2. Step 2: Convert to fraction form
    3,220.22/4,829.54 = 1,245.18/x
  3. Step 3: Cross multiply
    3,220.22x = 4,829.54 × 1,245.18
  4. Step 4: Simplify right side
    3,220.22x = 6,013,640.39
  5. Step 5: Solve for x
    x = 6,013,640.39/3,220.22
  6. Step 6: Final answer
    x = 1,867.47

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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.