Home / 3,256.83-4,495.50-2,138.49

Finding the Fourth Proportional to 3,256.83, 4,495.50 and 2,138.49

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Solution

The fourth proportional to 3,256.83, 4,495.50 and 2,138.49 is: 2,951.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,256.83 : 4,495.50 = 2,138.49 : x
  2. Step 2: Convert to fraction form
    3,256.83/4,495.50 = 2,138.49/x
  3. Step 3: Cross multiply
    3,256.83x = 4,495.50 × 2,138.49
  4. Step 4: Simplify right side
    3,256.83x = 9,613,581.80
  5. Step 5: Solve for x
    x = 9,613,581.80/3,256.83
  6. Step 6: Final answer
    x = 2,951.82

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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.