Home / 2,844.10-4,258.86-1,979.02

Finding the Fourth Proportional to 2,844.10, 4,258.86 and 1,979.02

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Solution

The fourth proportional to 2,844.10, 4,258.86 and 1,979.02 is: 2,963.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,844.10 : 4,258.86 = 1,979.02 : x
  2. Step 2: Convert to fraction form
    2,844.10/4,258.86 = 1,979.02/x
  3. Step 3: Cross multiply
    2,844.10x = 4,258.86 × 1,979.02
  4. Step 4: Simplify right side
    2,844.10x = 8,428,369.12
  5. Step 5: Solve for x
    x = 8,428,369.12/2,844.10
  6. Step 6: Final answer
    x = 2,963.46

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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.