Home / 2,814.92-3,885.18-1,635.92

Finding the Fourth Proportional to 2,814.92, 3,885.18 and 1,635.92

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Solution

The fourth proportional to 2,814.92, 3,885.18 and 1,635.92 is: 2,257.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,814.92 : 3,885.18 = 1,635.92 : x
  2. Step 2: Convert to fraction form
    2,814.92/3,885.18 = 1,635.92/x
  3. Step 3: Cross multiply
    2,814.92x = 3,885.18 × 1,635.92
  4. Step 4: Simplify right side
    2,814.92x = 6,355,843.67
  5. Step 5: Solve for x
    x = 6,355,843.67/2,814.92
  6. Step 6: Final answer
    x = 2,257.91

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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.