Home / 1,627.32-2,441.09-441.55

Finding the Fourth Proportional to 1,627.32, 2,441.09 and 441.55

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Solution

The fourth proportional to 1,627.32, 2,441.09 and 441.55 is: 662.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627.32 : 2,441.09 = 441.55 : x
  2. Step 2: Convert to fraction form
    1,627.32/2,441.09 = 441.55/x
  3. Step 3: Cross multiply
    1,627.32x = 2,441.09 × 441.55
  4. Step 4: Simplify right side
    1,627.32x = 1,077,863.29
  5. Step 5: Solve for x
    x = 1,077,863.29/1,627.32
  6. Step 6: Final answer
    x = 662.35

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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.