Home / 3,442.13-5,138.25-3,185.16

Finding the Fourth Proportional to 3,442.13, 5,138.25 and 3,185.16

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Solution

The fourth proportional to 3,442.13, 5,138.25 and 3,185.16 is: 4,754.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,442.13 : 5,138.25 = 3,185.16 : x
  2. Step 2: Convert to fraction form
    3,442.13/5,138.25 = 3,185.16/x
  3. Step 3: Cross multiply
    3,442.13x = 5,138.25 × 3,185.16
  4. Step 4: Simplify right side
    3,442.13x = 16,366,163.47
  5. Step 5: Solve for x
    x = 16,366,163.47/3,442.13
  6. Step 6: Final answer
    x = 4,754.66

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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.