Home / 2,774.53-3,828.79-1,655.74

Finding the Fourth Proportional to 2,774.53, 3,828.79 and 1,655.74

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Solution

The fourth proportional to 2,774.53, 3,828.79 and 1,655.74 is: 2,284.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,774.53 : 3,828.79 = 1,655.74 : x
  2. Step 2: Convert to fraction form
    2,774.53/3,828.79 = 1,655.74/x
  3. Step 3: Cross multiply
    2,774.53x = 3,828.79 × 1,655.74
  4. Step 4: Simplify right side
    2,774.53x = 6,339,481.79
  5. Step 5: Solve for x
    x = 6,339,481.79/2,774.53
  6. Step 6: Final answer
    x = 2,284.89

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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.