Home / 3,220.48-4,835.04-1,906.66

Finding the Fourth Proportional to 3,220.48, 4,835.04 and 1,906.66

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Solution

The fourth proportional to 3,220.48, 4,835.04 and 1,906.66 is: 2,862.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.48 : 4,835.04 = 1,906.66 : x
  2. Step 2: Convert to fraction form
    3,220.48/4,835.04 = 1,906.66/x
  3. Step 3: Cross multiply
    3,220.48x = 4,835.04 × 1,906.66
  4. Step 4: Simplify right side
    3,220.48x = 9,218,777.37
  5. Step 5: Solve for x
    x = 9,218,777.37/3,220.48
  6. Step 6: Final answer
    x = 2,862.55

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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.