Home / 2,222.10-3,330.11-1,479.60

Finding the Fourth Proportional to 2,222.10, 3,330.11 and 1,479.60

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Solution

The fourth proportional to 2,222.10, 3,330.11 and 1,479.60 is: 2,217.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,222.10 : 3,330.11 = 1,479.60 : x
  2. Step 2: Convert to fraction form
    2,222.10/3,330.11 = 1,479.60/x
  3. Step 3: Cross multiply
    2,222.10x = 3,330.11 × 1,479.60
  4. Step 4: Simplify right side
    2,222.10x = 4,927,234.46
  5. Step 5: Solve for x
    x = 4,927,234.46/2,222.10
  6. Step 6: Final answer
    x = 2,217.38

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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.