Home / 3,983.07-5,974.64-1,384.19

Finding the Fourth Proportional to 3,983.07, 5,974.64 and 1,384.19

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Solution

The fourth proportional to 3,983.07, 5,974.64 and 1,384.19 is: 2,076.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,983.07 : 5,974.64 = 1,384.19 : x
  2. Step 2: Convert to fraction form
    3,983.07/5,974.64 = 1,384.19/x
  3. Step 3: Cross multiply
    3,983.07x = 5,974.64 × 1,384.19
  4. Step 4: Simplify right side
    3,983.07x = 8,270,036.94
  5. Step 5: Solve for x
    x = 8,270,036.94/3,983.07
  6. Step 6: Final answer
    x = 2,076.30

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1.5x scale

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.