Home / 2,331.88-3,218.30-1,336.96

Finding the Fourth Proportional to 2,331.88, 3,218.30 and 1,336.96

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Solution

The fourth proportional to 2,331.88, 3,218.30 and 1,336.96 is: 1,845.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,331.88 : 3,218.30 = 1,336.96 : x
  2. Step 2: Convert to fraction form
    2,331.88/3,218.30 = 1,336.96/x
  3. Step 3: Cross multiply
    2,331.88x = 3,218.30 × 1,336.96
  4. Step 4: Simplify right side
    2,331.88x = 4,302,746.41
  5. Step 5: Solve for x
    x = 4,302,746.41/2,331.88
  6. Step 6: Final answer
    x = 1,845.18

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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.