Home / 3,199.92-4,415.83-1,873.74

Finding the Fourth Proportional to 3,199.92, 4,415.83 and 1,873.74

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Solution

The fourth proportional to 3,199.92, 4,415.83 and 1,873.74 is: 2,585.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,199.92 : 4,415.83 = 1,873.74 : x
  2. Step 2: Convert to fraction form
    3,199.92/4,415.83 = 1,873.74/x
  3. Step 3: Cross multiply
    3,199.92x = 4,415.83 × 1,873.74
  4. Step 4: Simplify right side
    3,199.92x = 8,274,117.30
  5. Step 5: Solve for x
    x = 8,274,117.30/3,199.92
  6. Step 6: Final answer
    x = 2,585.73

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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.