Home / 2,084.32-2,876.88-1,299.28

Finding the Fourth Proportional to 2,084.32, 2,876.88 and 1,299.28

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Solution

The fourth proportional to 2,084.32, 2,876.88 and 1,299.28 is: 1,793.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,084.32 : 2,876.88 = 1,299.28 : x
  2. Step 2: Convert to fraction form
    2,084.32/2,876.88 = 1,299.28/x
  3. Step 3: Cross multiply
    2,084.32x = 2,876.88 × 1,299.28
  4. Step 4: Simplify right side
    2,084.32x = 3,737,872.65
  5. Step 5: Solve for x
    x = 3,737,872.65/2,084.32
  6. Step 6: Final answer
    x = 1,793.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.