Home / 3,818.24-5,727.36-2,085.92

Finding the Fourth Proportional to 3,818.24, 5,727.36 and 2,085.92

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Solution

The fourth proportional to 3,818.24, 5,727.36 and 2,085.92 is: 3,128.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818.24 : 5,727.36 = 2,085.92 : x
  2. Step 2: Convert to fraction form
    3,818.24/5,727.36 = 2,085.92/x
  3. Step 3: Cross multiply
    3,818.24x = 5,727.36 × 2,085.92
  4. Step 4: Simplify right side
    3,818.24x = 11,946,814.77
  5. Step 5: Solve for x
    x = 11,946,814.77/3,818.24
  6. Step 6: Final answer
    x = 3,128.88

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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.