Home / 3,364.39-5,047.80-1,721.71

Finding the Fourth Proportional to 3,364.39, 5,047.80 and 1,721.71

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Solution

The fourth proportional to 3,364.39, 5,047.80 and 1,721.71 is: 2,583.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,364.39 : 5,047.80 = 1,721.71 : x
  2. Step 2: Convert to fraction form
    3,364.39/5,047.80 = 1,721.71/x
  3. Step 3: Cross multiply
    3,364.39x = 5,047.80 × 1,721.71
  4. Step 4: Simplify right side
    3,364.39x = 8,690,847.74
  5. Step 5: Solve for x
    x = 8,690,847.74/3,364.39
  6. Step 6: Final answer
    x = 2,583.19

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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.