Home / 3,983.84-5,975.88-1,673.72

Finding the Fourth Proportional to 3,983.84, 5,975.88 and 1,673.72

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Solution

The fourth proportional to 3,983.84, 5,975.88 and 1,673.72 is: 2,510.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,983.84 : 5,975.88 = 1,673.72 : x
  2. Step 2: Convert to fraction form
    3,983.84/5,975.88 = 1,673.72/x
  3. Step 3: Cross multiply
    3,983.84x = 5,975.88 × 1,673.72
  4. Step 4: Simplify right side
    3,983.84x = 10,001,949.87
  5. Step 5: Solve for x
    x = 10,001,949.87/3,983.84
  6. Step 6: Final answer
    x = 2,510.63

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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.