Home / 2,956.08-4,079.20-1,629.79

Finding the Fourth Proportional to 2,956.08, 4,079.20 and 1,629.79

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Solution

The fourth proportional to 2,956.08, 4,079.20 and 1,629.79 is: 2,249.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,956.08 : 4,079.20 = 1,629.79 : x
  2. Step 2: Convert to fraction form
    2,956.08/4,079.20 = 1,629.79/x
  3. Step 3: Cross multiply
    2,956.08x = 4,079.20 × 1,629.79
  4. Step 4: Simplify right side
    2,956.08x = 6,648,235.29
  5. Step 5: Solve for x
    x = 6,648,235.29/2,956.08
  6. Step 6: Final answer
    x = 2,249.01

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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.