Home / 3,521.92-5,281.10-1,181.10

Finding the Fourth Proportional to 3,521.92, 5,281.10 and 1,181.10

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Solution

The fourth proportional to 3,521.92, 5,281.10 and 1,181.10 is: 1,771.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.92 : 5,281.10 = 1,181.10 : x
  2. Step 2: Convert to fraction form
    3,521.92/5,281.10 = 1,181.10/x
  3. Step 3: Cross multiply
    3,521.92x = 5,281.10 × 1,181.10
  4. Step 4: Simplify right side
    3,521.92x = 6,237,507.21
  5. Step 5: Solve for x
    x = 6,237,507.21/3,521.92
  6. Step 6: Final answer
    x = 1,771.05

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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.