Home / 2,774.21-3,828.11-1,654.95

Finding the Fourth Proportional to 2,774.21, 3,828.11 and 1,654.95

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Solution

The fourth proportional to 2,774.21, 3,828.11 and 1,654.95 is: 2,283.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,774.21 : 3,828.11 = 1,654.95 : x
  2. Step 2: Convert to fraction form
    2,774.21/3,828.11 = 1,654.95/x
  3. Step 3: Cross multiply
    2,774.21x = 3,828.11 × 1,654.95
  4. Step 4: Simplify right side
    2,774.21x = 6,335,322.37
  5. Step 5: Solve for x
    x = 6,335,322.37/2,774.21
  6. Step 6: Final answer
    x = 2,283.65

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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.