Home / 3,467.52-5,173.92-3,139.20

Finding the Fourth Proportional to 3,467.52, 5,173.92 and 3,139.20

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Solution

The fourth proportional to 3,467.52, 5,173.92 and 3,139.20 is: 4,684.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,467.52 : 5,173.92 = 3,139.20 : x
  2. Step 2: Convert to fraction form
    3,467.52/5,173.92 = 3,139.20/x
  3. Step 3: Cross multiply
    3,467.52x = 5,173.92 × 3,139.20
  4. Step 4: Simplify right side
    3,467.52x = 16,241,969.66
  5. Step 5: Solve for x
    x = 16,241,969.66/3,467.52
  6. Step 6: Final answer
    x = 4,684.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.