Home / 3,146.28-4,716.46-1,605.48

Finding the Fourth Proportional to 3,146.28, 4,716.46 and 1,605.48

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Solution

The fourth proportional to 3,146.28, 4,716.46 and 1,605.48 is: 2,406.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146.28 : 4,716.46 = 1,605.48 : x
  2. Step 2: Convert to fraction form
    3,146.28/4,716.46 = 1,605.48/x
  3. Step 3: Cross multiply
    3,146.28x = 4,716.46 × 1,605.48
  4. Step 4: Simplify right side
    3,146.28x = 7,572,182.20
  5. Step 5: Solve for x
    x = 7,572,182.20/3,146.28
  6. Step 6: Final answer
    x = 2,406.71

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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.