Home / 3,893.67-5,373.34-2,125.34

Finding the Fourth Proportional to 3,893.67, 5,373.34 and 2,125.34

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Solution

The fourth proportional to 3,893.67, 5,373.34 and 2,125.34 is: 2,933.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,893.67 : 5,373.34 = 2,125.34 : x
  2. Step 2: Convert to fraction form
    3,893.67/5,373.34 = 2,125.34/x
  3. Step 3: Cross multiply
    3,893.67x = 5,373.34 × 2,125.34
  4. Step 4: Simplify right side
    3,893.67x = 11,420,162.41
  5. Step 5: Solve for x
    x = 11,420,162.41/3,893.67
  6. Step 6: Final answer
    x = 2,933.01

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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.