Home / 3,131.24-4,698.50-2,272.64

Finding the Fourth Proportional to 3,131.24, 4,698.50 and 2,272.64

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Solution

The fourth proportional to 3,131.24, 4,698.50 and 2,272.64 is: 3,410.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131.24 : 4,698.50 = 2,272.64 : x
  2. Step 2: Convert to fraction form
    3,131.24/4,698.50 = 2,272.64/x
  3. Step 3: Cross multiply
    3,131.24x = 4,698.50 × 2,272.64
  4. Step 4: Simplify right side
    3,131.24x = 10,677,999.04
  5. Step 5: Solve for x
    x = 10,677,999.04/3,131.24
  6. Step 6: Final answer
    x = 3,410.15

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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.