Home / 3,848.86-5,767.08-1,997.20

Finding the Fourth Proportional to 3,848.86, 5,767.08 and 1,997.20

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Solution

The fourth proportional to 3,848.86, 5,767.08 and 1,997.20 is: 2,992.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848.86 : 5,767.08 = 1,997.20 : x
  2. Step 2: Convert to fraction form
    3,848.86/5,767.08 = 1,997.20/x
  3. Step 3: Cross multiply
    3,848.86x = 5,767.08 × 1,997.20
  4. Step 4: Simplify right side
    3,848.86x = 11,518,012.18
  5. Step 5: Solve for x
    x = 11,518,012.18/3,848.86
  6. Step 6: Final answer
    x = 2,992.58

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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.