Home / 2,956.18-4,079.38-1,629.87

Finding the Fourth Proportional to 2,956.18, 4,079.38 and 1,629.87

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Solution

The fourth proportional to 2,956.18, 4,079.38 and 1,629.87 is: 2,249.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,956.18 : 4,079.38 = 1,629.87 : x
  2. Step 2: Convert to fraction form
    2,956.18/4,079.38 = 1,629.87/x
  3. Step 3: Cross multiply
    2,956.18x = 4,079.38 × 1,629.87
  4. Step 4: Simplify right side
    2,956.18x = 6,648,859.08
  5. Step 5: Solve for x
    x = 6,648,859.08/2,956.18
  6. Step 6: Final answer
    x = 2,249.14

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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.