Home / 3,908.96-5,856.55-2,055.68

Finding the Fourth Proportional to 3,908.96, 5,856.55 and 2,055.68

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Solution

The fourth proportional to 3,908.96, 5,856.55 and 2,055.68 is: 3,079.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,908.96 : 5,856.55 = 2,055.68 : x
  2. Step 2: Convert to fraction form
    3,908.96/5,856.55 = 2,055.68/x
  3. Step 3: Cross multiply
    3,908.96x = 5,856.55 × 2,055.68
  4. Step 4: Simplify right side
    3,908.96x = 12,039,192.70
  5. Step 5: Solve for x
    x = 12,039,192.70/3,908.96
  6. Step 6: Final answer
    x = 3,079.90

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1.5x scale

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.