Home / 2,155.35-3,234.03-1,376.22

Finding the Fourth Proportional to 2,155.35, 3,234.03 and 1,376.22

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Solution

The fourth proportional to 2,155.35, 3,234.03 and 1,376.22 is: 2,064.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155.35 : 3,234.03 = 1,376.22 : x
  2. Step 2: Convert to fraction form
    2,155.35/3,234.03 = 1,376.22/x
  3. Step 3: Cross multiply
    2,155.35x = 3,234.03 × 1,376.22
  4. Step 4: Simplify right side
    2,155.35x = 4,450,736.77
  5. Step 5: Solve for x
    x = 4,450,736.77/2,155.35
  6. Step 6: Final answer
    x = 2,064.97

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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.