Home / 2,421.66-3,627.04-2,105.24

Finding the Fourth Proportional to 2,421.66, 3,627.04 and 2,105.24

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Solution

The fourth proportional to 2,421.66, 3,627.04 and 2,105.24 is: 3,153.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421.66 : 3,627.04 = 2,105.24 : x
  2. Step 2: Convert to fraction form
    2,421.66/3,627.04 = 2,105.24/x
  3. Step 3: Cross multiply
    2,421.66x = 3,627.04 × 2,105.24
  4. Step 4: Simplify right side
    2,421.66x = 7,635,789.69
  5. Step 5: Solve for x
    x = 7,635,789.69/2,421.66
  6. Step 6: Final answer
    x = 3,153.12

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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.