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Finding the Fourth Proportional to 1,923.08, 2,884.70 and 998.04

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Solution

The fourth proportional to 1,923.08, 2,884.70 and 998.04 is: 1,497.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923.08 : 2,884.70 = 998.04 : x
  2. Step 2: Convert to fraction form
    1,923.08/2,884.70 = 998.04/x
  3. Step 3: Cross multiply
    1,923.08x = 2,884.70 × 998.04
  4. Step 4: Simplify right side
    1,923.08x = 2,879,059.30
  5. Step 5: Solve for x
    x = 2,879,059.30/1,923.08
  6. Step 6: Final answer
    x = 1,497.11

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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.