Home / 2,956.13-4,079.38-1,629.84

Finding the Fourth Proportional to 2,956.13, 4,079.38 and 1,629.84

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Solution

The fourth proportional to 2,956.13, 4,079.38 and 1,629.84 is: 2,249.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,956.13 : 4,079.38 = 1,629.84 : x
  2. Step 2: Convert to fraction form
    2,956.13/4,079.38 = 1,629.84/x
  3. Step 3: Cross multiply
    2,956.13x = 4,079.38 × 1,629.84
  4. Step 4: Simplify right side
    2,956.13x = 6,648,712.23
  5. Step 5: Solve for x
    x = 6,648,712.23/2,956.13
  6. Step 6: Final answer
    x = 2,249.13

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1.5x scale

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.