Home / 2,979.62-4,111.26-1,653.04

Finding the Fourth Proportional to 2,979.62, 4,111.26 and 1,653.04

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Solution

The fourth proportional to 2,979.62, 4,111.26 and 1,653.04 is: 2,280.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979.62 : 4,111.26 = 1,653.04 : x
  2. Step 2: Convert to fraction form
    2,979.62/4,111.26 = 1,653.04/x
  3. Step 3: Cross multiply
    2,979.62x = 4,111.26 × 1,653.04
  4. Step 4: Simplify right side
    2,979.62x = 6,796,076.17
  5. Step 5: Solve for x
    x = 6,796,076.17/2,979.62
  6. Step 6: Final answer
    x = 2,280.85

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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.