Home / 3,146.92-4,342.65-1,730.61

Finding the Fourth Proportional to 3,146.92, 4,342.65 and 1,730.61

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Solution

The fourth proportional to 3,146.92, 4,342.65 and 1,730.61 is: 2,388.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146.92 : 4,342.65 = 1,730.61 : x
  2. Step 2: Convert to fraction form
    3,146.92/4,342.65 = 1,730.61/x
  3. Step 3: Cross multiply
    3,146.92x = 4,342.65 × 1,730.61
  4. Step 4: Simplify right side
    3,146.92x = 7,515,433.52
  5. Step 5: Solve for x
    x = 7,515,433.52/3,146.92
  6. Step 6: Final answer
    x = 2,388.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.