Home / 2,867.10-4,301.46-1,112.64

Finding the Fourth Proportional to 2,867.10, 4,301.46 and 1,112.64

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Solution

The fourth proportional to 2,867.10, 4,301.46 and 1,112.64 is: 1,669.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867.10 : 4,301.46 = 1,112.64 : x
  2. Step 2: Convert to fraction form
    2,867.10/4,301.46 = 1,112.64/x
  3. Step 3: Cross multiply
    2,867.10x = 4,301.46 × 1,112.64
  4. Step 4: Simplify right side
    2,867.10x = 4,785,976.45
  5. Step 5: Solve for x
    x = 4,785,976.45/2,867.10
  6. Step 6: Final answer
    x = 1,669.27

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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.