Home / 2,217.66-3,059.78-1,333.29

Finding the Fourth Proportional to 2,217.66, 3,059.78 and 1,333.29

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Solution

The fourth proportional to 2,217.66, 3,059.78 and 1,333.29 is: 1,839.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217.66 : 3,059.78 = 1,333.29 : x
  2. Step 2: Convert to fraction form
    2,217.66/3,059.78 = 1,333.29/x
  3. Step 3: Cross multiply
    2,217.66x = 3,059.78 × 1,333.29
  4. Step 4: Simplify right side
    2,217.66x = 4,079,567.41
  5. Step 5: Solve for x
    x = 4,079,567.41/2,217.66
  6. Step 6: Final answer
    x = 1,839.58

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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.