Home / 3,585.39-4,947.87-2,168.61

Finding the Fourth Proportional to 3,585.39, 4,947.87 and 2,168.61

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Solution

The fourth proportional to 3,585.39, 4,947.87 and 2,168.61 is: 2,992.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,585.39 : 4,947.87 = 2,168.61 : x
  2. Step 2: Convert to fraction form
    3,585.39/4,947.87 = 2,168.61/x
  3. Step 3: Cross multiply
    3,585.39x = 4,947.87 × 2,168.61
  4. Step 4: Simplify right side
    3,585.39x = 10,730,000.36
  5. Step 5: Solve for x
    x = 10,730,000.36/3,585.39
  6. Step 6: Final answer
    x = 2,992.70

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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.