Home / 2,885.99-3,982.43-1,627.36

Finding the Fourth Proportional to 2,885.99, 3,982.43 and 1,627.36

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Solution

The fourth proportional to 2,885.99, 3,982.43 and 1,627.36 is: 2,245.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885.99 : 3,982.43 = 1,627.36 : x
  2. Step 2: Convert to fraction form
    2,885.99/3,982.43 = 1,627.36/x
  3. Step 3: Cross multiply
    2,885.99x = 3,982.43 × 1,627.36
  4. Step 4: Simplify right side
    2,885.99x = 6,480,832.24
  5. Step 5: Solve for x
    x = 6,480,832.24/2,885.99
  6. Step 6: Final answer
    x = 2,245.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.