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Finding the Fourth Proportional to 1,959.32, 2,936.64 and 1,493.48

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Solution

The fourth proportional to 1,959.32, 2,936.64 and 1,493.48 is: 2,238.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,959.32 : 2,936.64 = 1,493.48 : x
  2. Step 2: Convert to fraction form
    1,959.32/2,936.64 = 1,493.48/x
  3. Step 3: Cross multiply
    1,959.32x = 2,936.64 × 1,493.48
  4. Step 4: Simplify right side
    1,959.32x = 4,385,813.11
  5. Step 5: Solve for x
    x = 4,385,813.11/1,959.32
  6. Step 6: Final answer
    x = 2,238.44

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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.