Home / 2,774.47-4,160.96-1,108.52

Finding the Fourth Proportional to 2,774.47, 4,160.96 and 1,108.52

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Solution

The fourth proportional to 2,774.47, 4,160.96 and 1,108.52 is: 1,662.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,774.47 : 4,160.96 = 1,108.52 : x
  2. Step 2: Convert to fraction form
    2,774.47/4,160.96 = 1,108.52/x
  3. Step 3: Cross multiply
    2,774.47x = 4,160.96 × 1,108.52
  4. Step 4: Simplify right side
    2,774.47x = 4,612,507.38
  5. Step 5: Solve for x
    x = 4,612,507.38/2,774.47
  6. Step 6: Final answer
    x = 1,662.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.