Home / 3,159.15-4,733.39-1,512.09

Finding the Fourth Proportional to 3,159.15, 4,733.39 and 1,512.09

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Solution

The fourth proportional to 3,159.15, 4,733.39 and 1,512.09 is: 2,265.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.15 : 4,733.39 = 1,512.09 : x
  2. Step 2: Convert to fraction form
    3,159.15/4,733.39 = 1,512.09/x
  3. Step 3: Cross multiply
    3,159.15x = 4,733.39 × 1,512.09
  4. Step 4: Simplify right side
    3,159.15x = 7,157,304.12
  5. Step 5: Solve for x
    x = 7,157,304.12/3,159.15
  6. Step 6: Final answer
    x = 2,265.58

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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.