Home / 3,893.34-5,373.96-2,714.79

Finding the Fourth Proportional to 3,893.34, 5,373.96 and 2,714.79

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Solution

The fourth proportional to 3,893.34, 5,373.96 and 2,714.79 is: 3,747.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,893.34 : 5,373.96 = 2,714.79 : x
  2. Step 2: Convert to fraction form
    3,893.34/5,373.96 = 2,714.79/x
  3. Step 3: Cross multiply
    3,893.34x = 5,373.96 × 2,714.79
  4. Step 4: Simplify right side
    3,893.34x = 14,589,172.87
  5. Step 5: Solve for x
    x = 14,589,172.87/3,893.34
  6. Step 6: Final answer
    x = 3,747.21

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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.