Home / 1,923.20-2,882.36-998.99

Finding the Fourth Proportional to 1,923.20, 2,882.36 and 998.99

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Solution

The fourth proportional to 1,923.20, 2,882.36 and 998.99 is: 1,497.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923.20 : 2,882.36 = 998.99 : x
  2. Step 2: Convert to fraction form
    1,923.20/2,882.36 = 998.99/x
  3. Step 3: Cross multiply
    1,923.20x = 2,882.36 × 998.99
  4. Step 4: Simplify right side
    1,923.20x = 2,879,436.90
  5. Step 5: Solve for x
    x = 2,879,436.90/1,923.20
  6. Step 6: Final answer
    x = 1,497.22

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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.