Home / 3,848.16-5,772.12-1,998.64

Finding the Fourth Proportional to 3,848.16, 5,772.12 and 1,998.64

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Solution

The fourth proportional to 3,848.16, 5,772.12 and 1,998.64 is: 2,997.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848.16 : 5,772.12 = 1,998.64 : x
  2. Step 2: Convert to fraction form
    3,848.16/5,772.12 = 1,998.64/x
  3. Step 3: Cross multiply
    3,848.16x = 5,772.12 × 1,998.64
  4. Step 4: Simplify right side
    3,848.16x = 11,536,389.92
  5. Step 5: Solve for x
    x = 11,536,389.92/3,848.16
  6. Step 6: Final answer
    x = 2,997.90

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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.