Home / 2,181.05-3,271.57-537.60

Finding the Fourth Proportional to 2,181.05, 3,271.57 and 537.60

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Solution

The fourth proportional to 2,181.05, 3,271.57 and 537.60 is: 806.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181.05 : 3,271.57 = 537.60 : x
  2. Step 2: Convert to fraction form
    2,181.05/3,271.57 = 537.60/x
  3. Step 3: Cross multiply
    2,181.05x = 3,271.57 × 537.60
  4. Step 4: Simplify right side
    2,181.05x = 1,758,796.03
  5. Step 5: Solve for x
    x = 1,758,796.03/2,181.05
  6. Step 6: Final answer
    x = 806.40

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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.