Home / 2,217.85-3,059.85-1,333.33

Finding the Fourth Proportional to 2,217.85, 3,059.85 and 1,333.33

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Solution

The fourth proportional to 2,217.85, 3,059.85 and 1,333.33 is: 1,839.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217.85 : 3,059.85 = 1,333.33 : x
  2. Step 2: Convert to fraction form
    2,217.85/3,059.85 = 1,333.33/x
  3. Step 3: Cross multiply
    2,217.85x = 3,059.85 × 1,333.33
  4. Step 4: Simplify right side
    2,217.85x = 4,079,789.80
  5. Step 5: Solve for x
    x = 4,079,789.80/2,217.85
  6. Step 6: Final answer
    x = 1,839.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.