Home / 3,163.05-4,362.12-2,415.62

Finding the Fourth Proportional to 3,163.05, 4,362.12 and 2,415.62

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Solution

The fourth proportional to 3,163.05, 4,362.12 and 2,415.62 is: 3,331.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.05 : 4,362.12 = 2,415.62 : x
  2. Step 2: Convert to fraction form
    3,163.05/4,362.12 = 2,415.62/x
  3. Step 3: Cross multiply
    3,163.05x = 4,362.12 × 2,415.62
  4. Step 4: Simplify right side
    3,163.05x = 10,537,235.22
  5. Step 5: Solve for x
    x = 10,537,235.22/3,163.05
  6. Step 6: Final answer
    x = 3,331.35

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1.5x scale

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.