Home / 3,222.15-4,824.59-1,921.83

Finding the Fourth Proportional to 3,222.15, 4,824.59 and 1,921.83

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Solution

The fourth proportional to 3,222.15, 4,824.59 and 1,921.83 is: 2,877.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222.15 : 4,824.59 = 1,921.83 : x
  2. Step 2: Convert to fraction form
    3,222.15/4,824.59 = 1,921.83/x
  3. Step 3: Cross multiply
    3,222.15x = 4,824.59 × 1,921.83
  4. Step 4: Simplify right side
    3,222.15x = 9,272,032.19
  5. Step 5: Solve for x
    x = 9,272,032.19/3,222.15
  6. Step 6: Final answer
    x = 2,877.59

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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.