Home / 3,160.94-4,739.06-1,515.92

Finding the Fourth Proportional to 3,160.94, 4,739.06 and 1,515.92

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Solution

The fourth proportional to 3,160.94, 4,739.06 and 1,515.92 is: 2,272.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160.94 : 4,739.06 = 1,515.92 : x
  2. Step 2: Convert to fraction form
    3,160.94/4,739.06 = 1,515.92/x
  3. Step 3: Cross multiply
    3,160.94x = 4,739.06 × 1,515.92
  4. Step 4: Simplify right side
    3,160.94x = 7,184,004.56
  5. Step 5: Solve for x
    x = 7,184,004.56/3,160.94
  6. Step 6: Final answer
    x = 2,272.75

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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.