Home / 3,520.85-5,282.08-1,181.16

Finding the Fourth Proportional to 3,520.85, 5,282.08 and 1,181.16

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Solution

The fourth proportional to 3,520.85, 5,282.08 and 1,181.16 is: 1,772.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.85 : 5,282.08 = 1,181.16 : x
  2. Step 2: Convert to fraction form
    3,520.85/5,282.08 = 1,181.16/x
  3. Step 3: Cross multiply
    3,520.85x = 5,282.08 × 1,181.16
  4. Step 4: Simplify right side
    3,520.85x = 6,238,978.66
  5. Step 5: Solve for x
    x = 6,238,978.66/3,520.85
  6. Step 6: Final answer
    x = 1,772.01

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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.