Home / 4,120.64-6,181.98-1,199.24

Finding the Fourth Proportional to 4,120.64, 6,181.98 and 1,199.24

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Solution

The fourth proportional to 4,120.64, 6,181.98 and 1,199.24 is: 1,799.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.64 : 6,181.98 = 1,199.24 : x
  2. Step 2: Convert to fraction form
    4,120.64/6,181.98 = 1,199.24/x
  3. Step 3: Cross multiply
    4,120.64x = 6,181.98 × 1,199.24
  4. Step 4: Simplify right side
    4,120.64x = 7,413,677.70
  5. Step 5: Solve for x
    x = 7,413,677.70/4,120.64
  6. Step 6: Final answer
    x = 1,799.16

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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.