Home / 3,983.36-5,970.96-1,384.88

Finding the Fourth Proportional to 3,983.36, 5,970.96 and 1,384.88

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Solution

The fourth proportional to 3,983.36, 5,970.96 and 1,384.88 is: 2,075.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,983.36 : 5,970.96 = 1,384.88 : x
  2. Step 2: Convert to fraction form
    3,983.36/5,970.96 = 1,384.88/x
  3. Step 3: Cross multiply
    3,983.36x = 5,970.96 × 1,384.88
  4. Step 4: Simplify right side
    3,983.36x = 8,269,063.08
  5. Step 5: Solve for x
    x = 8,269,063.08/3,983.36
  6. Step 6: Final answer
    x = 2,075.90

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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.