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Finding the Fourth Proportional to 2,932.84, 4,048.26 and 1,939

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Solution

The fourth proportional to 2,932.84, 4,048.26 and 1,939 is: 2,676.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,932.84 : 4,048.26 = 1,939 : x
  2. Step 2: Convert to fraction form
    2,932.84/4,048.26 = 1,939/x
  3. Step 3: Cross multiply
    2,932.84x = 4,048.26 × 1,939
  4. Step 4: Simplify right side
    2,932.84x = 7,849,576.14
  5. Step 5: Solve for x
    x = 7,849,576.14/2,932.84
  6. Step 6: Final answer
    x = 2,676.44

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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.