Home / 3,147.92-4,725.15-3,077.31

Finding the Fourth Proportional to 3,147.92, 4,725.15 and 3,077.31

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Solution

The fourth proportional to 3,147.92, 4,725.15 and 3,077.31 is: 4,619.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147.92 : 4,725.15 = 3,077.31 : x
  2. Step 2: Convert to fraction form
    3,147.92/4,725.15 = 3,077.31/x
  3. Step 3: Cross multiply
    3,147.92x = 4,725.15 × 3,077.31
  4. Step 4: Simplify right side
    3,147.92x = 14,540,751.35
  5. Step 5: Solve for x
    x = 14,540,751.35/3,147.92
  6. Step 6: Final answer
    x = 4,619.17

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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.