Home / 2,933.80-4,400.75-986.02

Finding the Fourth Proportional to 2,933.80, 4,400.75 and 986.02

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Solution

The fourth proportional to 2,933.80, 4,400.75 and 986.02 is: 1,479.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,933.80 : 4,400.75 = 986.02 : x
  2. Step 2: Convert to fraction form
    2,933.80/4,400.75 = 986.02/x
  3. Step 3: Cross multiply
    2,933.80x = 4,400.75 × 986.02
  4. Step 4: Simplify right side
    2,933.80x = 4,339,227.52
  5. Step 5: Solve for x
    x = 4,339,227.52/2,933.80
  6. Step 6: Final answer
    x = 1,479.05

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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.