Home / 2,843.30-4,271.35-1,979.30

Finding the Fourth Proportional to 2,843.30, 4,271.35 and 1,979.30

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Solution

The fourth proportional to 2,843.30, 4,271.35 and 1,979.30 is: 2,973.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,843.30 : 4,271.35 = 1,979.30 : x
  2. Step 2: Convert to fraction form
    2,843.30/4,271.35 = 1,979.30/x
  3. Step 3: Cross multiply
    2,843.30x = 4,271.35 × 1,979.30
  4. Step 4: Simplify right side
    2,843.30x = 8,454,283.06
  5. Step 5: Solve for x
    x = 8,454,283.06/2,843.30
  6. Step 6: Final answer
    x = 2,973.41

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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.