Home / 2,331.09-3,217.22-1,336.47

Finding the Fourth Proportional to 2,331.09, 3,217.22 and 1,336.47

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Solution

The fourth proportional to 2,331.09, 3,217.22 and 1,336.47 is: 1,844.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,331.09 : 3,217.22 = 1,336.47 : x
  2. Step 2: Convert to fraction form
    2,331.09/3,217.22 = 1,336.47/x
  3. Step 3: Cross multiply
    2,331.09x = 3,217.22 × 1,336.47
  4. Step 4: Simplify right side
    2,331.09x = 4,299,711.33
  5. Step 5: Solve for x
    x = 4,299,711.33/2,331.09
  6. Step 6: Final answer
    x = 1,844.51

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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.