Home / 3,152.91-4,727.79-1,837.12

Finding the Fourth Proportional to 3,152.91, 4,727.79 and 1,837.12

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Solution

The fourth proportional to 3,152.91, 4,727.79 and 1,837.12 is: 2,754.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,152.91 : 4,727.79 = 1,837.12 : x
  2. Step 2: Convert to fraction form
    3,152.91/4,727.79 = 1,837.12/x
  3. Step 3: Cross multiply
    3,152.91x = 4,727.79 × 1,837.12
  4. Step 4: Simplify right side
    3,152.91x = 8,685,517.56
  5. Step 5: Solve for x
    x = 8,685,517.56/3,152.91
  6. Step 6: Final answer
    x = 2,754.76

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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.