Home / 3,222.58-4,836.90-2,127.70

Finding the Fourth Proportional to 3,222.58, 4,836.90 and 2,127.70

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Solution

The fourth proportional to 3,222.58, 4,836.90 and 2,127.70 is: 3,193.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222.58 : 4,836.90 = 2,127.70 : x
  2. Step 2: Convert to fraction form
    3,222.58/4,836.90 = 2,127.70/x
  3. Step 3: Cross multiply
    3,222.58x = 4,836.90 × 2,127.70
  4. Step 4: Simplify right side
    3,222.58x = 10,291,472.13
  5. Step 5: Solve for x
    x = 10,291,472.13/3,222.58
  6. Step 6: Final answer
    x = 3,193.55

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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.