Home / 2,774.37-4,160.90-1,292.66

Finding the Fourth Proportional to 2,774.37, 4,160.90 and 1,292.66

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Solution

The fourth proportional to 2,774.37, 4,160.90 and 1,292.66 is: 1,938.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,774.37 : 4,160.90 = 1,292.66 : x
  2. Step 2: Convert to fraction form
    2,774.37/4,160.90 = 1,292.66/x
  3. Step 3: Cross multiply
    2,774.37x = 4,160.90 × 1,292.66
  4. Step 4: Simplify right side
    2,774.37x = 5,378,627.02
  5. Step 5: Solve for x
    x = 5,378,627.02/2,774.37
  6. Step 6: Final answer
    x = 1,938.69

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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.