Home / 3,820.37-5,727.14-1,354.86

Finding the Fourth Proportional to 3,820.37, 5,727.14 and 1,354.86

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Solution

The fourth proportional to 3,820.37, 5,727.14 and 1,354.86 is: 2,031.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820.37 : 5,727.14 = 1,354.86 : x
  2. Step 2: Convert to fraction form
    3,820.37/5,727.14 = 1,354.86/x
  3. Step 3: Cross multiply
    3,820.37x = 5,727.14 × 1,354.86
  4. Step 4: Simplify right side
    3,820.37x = 7,759,472.90
  5. Step 5: Solve for x
    x = 7,759,472.90/3,820.37
  6. Step 6: Final answer
    x = 2,031.08

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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.