Home / 2,181.18-3,267.21-1,448.52

Finding the Fourth Proportional to 2,181.18, 3,267.21 and 1,448.52

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Solution

The fourth proportional to 2,181.18, 3,267.21 and 1,448.52 is: 2,169.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181.18 : 3,267.21 = 1,448.52 : x
  2. Step 2: Convert to fraction form
    2,181.18/3,267.21 = 1,448.52/x
  3. Step 3: Cross multiply
    2,181.18x = 3,267.21 × 1,448.52
  4. Step 4: Simplify right side
    2,181.18x = 4,732,619.03
  5. Step 5: Solve for x
    x = 4,732,619.03/2,181.18
  6. Step 6: Final answer
    x = 2,169.75

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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.