Home / 3,290.92-4,937.42-2,056.64

Finding the Fourth Proportional to 3,290.92, 4,937.42 and 2,056.64

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Solution

The fourth proportional to 3,290.92, 4,937.42 and 2,056.64 is: 3,085.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290.92 : 4,937.42 = 2,056.64 : x
  2. Step 2: Convert to fraction form
    3,290.92/4,937.42 = 2,056.64/x
  3. Step 3: Cross multiply
    3,290.92x = 4,937.42 × 2,056.64
  4. Step 4: Simplify right side
    3,290.92x = 10,154,495.47
  5. Step 5: Solve for x
    x = 10,154,495.47/3,290.92
  6. Step 6: Final answer
    x = 3,085.61

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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.