Home / 3,513.55-5,293.76-3,180.41

Finding the Fourth Proportional to 3,513.55, 5,293.76 and 3,180.41

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Solution

The fourth proportional to 3,513.55, 5,293.76 and 3,180.41 is: 4,791.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.55 : 5,293.76 = 3,180.41 : x
  2. Step 2: Convert to fraction form
    3,513.55/5,293.76 = 3,180.41/x
  3. Step 3: Cross multiply
    3,513.55x = 5,293.76 × 3,180.41
  4. Step 4: Simplify right side
    3,513.55x = 16,836,328.58
  5. Step 5: Solve for x
    x = 16,836,328.58/3,513.55
  6. Step 6: Final answer
    x = 4,791.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.