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Finding the Fourth Proportional to 2,336.98, 3,505.40 and 949.91

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Solution

The fourth proportional to 2,336.98, 3,505.40 and 949.91 is: 1,424.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,336.98 : 3,505.40 = 949.91 : x
  2. Step 2: Convert to fraction form
    2,336.98/3,505.40 = 949.91/x
  3. Step 3: Cross multiply
    2,336.98x = 3,505.40 × 949.91
  4. Step 4: Simplify right side
    2,336.98x = 3,329,814.51
  5. Step 5: Solve for x
    x = 3,329,814.51/2,336.98
  6. Step 6: Final answer
    x = 1,424.84

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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.