Home / 1,976.08-2,965.74-1,052.68

Finding the Fourth Proportional to 1,976.08, 2,965.74 and 1,052.68

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Solution

The fourth proportional to 1,976.08, 2,965.74 and 1,052.68 is: 1,579.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976.08 : 2,965.74 = 1,052.68 : x
  2. Step 2: Convert to fraction form
    1,976.08/2,965.74 = 1,052.68/x
  3. Step 3: Cross multiply
    1,976.08x = 2,965.74 × 1,052.68
  4. Step 4: Simplify right side
    1,976.08x = 3,121,975.18
  5. Step 5: Solve for x
    x = 3,121,975.18/1,976.08
  6. Step 6: Final answer
    x = 1,579.88

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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.