Home / 3,222.97-4,830.71-2,638.96

Finding the Fourth Proportional to 3,222.97, 4,830.71 and 2,638.96

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Solution

The fourth proportional to 3,222.97, 4,830.71 and 2,638.96 is: 3,955.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222.97 : 4,830.71 = 2,638.96 : x
  2. Step 2: Convert to fraction form
    3,222.97/4,830.71 = 2,638.96/x
  3. Step 3: Cross multiply
    3,222.97x = 4,830.71 × 2,638.96
  4. Step 4: Simplify right side
    3,222.97x = 12,748,050.46
  5. Step 5: Solve for x
    x = 12,748,050.46/3,222.97
  6. Step 6: Final answer
    x = 3,955.37

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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.