Home / 2,774.43-3,828.44-1,655.13

Finding the Fourth Proportional to 2,774.43, 3,828.44 and 1,655.13

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Solution

The fourth proportional to 2,774.43, 3,828.44 and 1,655.13 is: 2,283.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,774.43 : 3,828.44 = 1,655.13 : x
  2. Step 2: Convert to fraction form
    2,774.43/3,828.44 = 1,655.13/x
  3. Step 3: Cross multiply
    2,774.43x = 3,828.44 × 1,655.13
  4. Step 4: Simplify right side
    2,774.43x = 6,336,557.62
  5. Step 5: Solve for x
    x = 6,336,557.62/2,774.43
  6. Step 6: Final answer
    x = 2,283.91

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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.