Home / 3,147.61-4,716.93-2,319.37

Finding the Fourth Proportional to 3,147.61, 4,716.93 and 2,319.37

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Solution

The fourth proportional to 3,147.61, 4,716.93 and 2,319.37 is: 3,475.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147.61 : 4,716.93 = 2,319.37 : x
  2. Step 2: Convert to fraction form
    3,147.61/4,716.93 = 2,319.37/x
  3. Step 3: Cross multiply
    3,147.61x = 4,716.93 × 2,319.37
  4. Step 4: Simplify right side
    3,147.61x = 10,940,305.93
  5. Step 5: Solve for x
    x = 10,940,305.93/3,147.61
  6. Step 6: Final answer
    x = 3,475.75

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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.