Home / 2,127.22-3,190.05-893.96

Finding the Fourth Proportional to 2,127.22, 3,190.05 and 893.96

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Solution

The fourth proportional to 2,127.22, 3,190.05 and 893.96 is: 1,340.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127.22 : 3,190.05 = 893.96 : x
  2. Step 2: Convert to fraction form
    2,127.22/3,190.05 = 893.96/x
  3. Step 3: Cross multiply
    2,127.22x = 3,190.05 × 893.96
  4. Step 4: Simplify right side
    2,127.22x = 2,851,778.31
  5. Step 5: Solve for x
    x = 2,851,778.31/2,127.22
  6. Step 6: Final answer
    x = 1,340.61

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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.