Home / 2,976.08-4,106.92-1,734

Finding the Fourth Proportional to 2,976.08, 4,106.92 and 1,734

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Solution

The fourth proportional to 2,976.08, 4,106.92 and 1,734 is: 2,392.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976.08 : 4,106.92 = 1,734 : x
  2. Step 2: Convert to fraction form
    2,976.08/4,106.92 = 1,734/x
  3. Step 3: Cross multiply
    2,976.08x = 4,106.92 × 1,734
  4. Step 4: Simplify right side
    2,976.08x = 7,121,399.28
  5. Step 5: Solve for x
    x = 7,121,399.28/2,976.08
  6. Step 6: Final answer
    x = 2,392.88

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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.