Home / 1,643.09-2,466.45-949.62

Finding the Fourth Proportional to 1,643.09, 2,466.45 and 949.62

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Solution

The fourth proportional to 1,643.09, 2,466.45 and 949.62 is: 1,425.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643.09 : 2,466.45 = 949.62 : x
  2. Step 2: Convert to fraction form
    1,643.09/2,466.45 = 949.62/x
  3. Step 3: Cross multiply
    1,643.09x = 2,466.45 × 949.62
  4. Step 4: Simplify right side
    1,643.09x = 2,342,199.50
  5. Step 5: Solve for x
    x = 2,342,199.50/1,643.09
  6. Step 6: Final answer
    x = 1,425.49

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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.