Home / 2,104.45-3,155.63-1,227.25

Finding the Fourth Proportional to 2,104.45, 3,155.63 and 1,227.25

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Solution

The fourth proportional to 2,104.45, 3,155.63 and 1,227.25 is: 1,840.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,104.45 : 3,155.63 = 1,227.25 : x
  2. Step 2: Convert to fraction form
    2,104.45/3,155.63 = 1,227.25/x
  3. Step 3: Cross multiply
    2,104.45x = 3,155.63 × 1,227.25
  4. Step 4: Simplify right side
    2,104.45x = 3,872,750.20
  5. Step 5: Solve for x
    x = 3,872,750.20/2,104.45
  6. Step 6: Final answer
    x = 1,840.27

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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.