Home / 3,646.97-5,471.61-1,305.37

Finding the Fourth Proportional to 3,646.97, 5,471.61 and 1,305.37

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Solution

The fourth proportional to 3,646.97, 5,471.61 and 1,305.37 is: 1,958.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,646.97 : 5,471.61 = 1,305.37 : x
  2. Step 2: Convert to fraction form
    3,646.97/5,471.61 = 1,305.37/x
  3. Step 3: Cross multiply
    3,646.97x = 5,471.61 × 1,305.37
  4. Step 4: Simplify right side
    3,646.97x = 7,142,475.55
  5. Step 5: Solve for x
    x = 7,142,475.55/3,646.97
  6. Step 6: Final answer
    x = 1,958.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.