Home / 2,932.70-4,374.34-2,728.58

Finding the Fourth Proportional to 2,932.70, 4,374.34 and 2,728.58

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Solution

The fourth proportional to 2,932.70, 4,374.34 and 2,728.58 is: 4,069.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,932.70 : 4,374.34 = 2,728.58 : x
  2. Step 2: Convert to fraction form
    2,932.70/4,374.34 = 2,728.58/x
  3. Step 3: Cross multiply
    2,932.70x = 4,374.34 × 2,728.58
  4. Step 4: Simplify right side
    2,932.70x = 11,935,736.64
  5. Step 5: Solve for x
    x = 11,935,736.64/2,932.70
  6. Step 6: Final answer
    x = 4,069.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.