Home / 2,765.33-4,146.92-1,225.25

Finding the Fourth Proportional to 2,765.33, 4,146.92 and 1,225.25

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Solution

The fourth proportional to 2,765.33, 4,146.92 and 1,225.25 is: 1,837.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765.33 : 4,146.92 = 1,225.25 : x
  2. Step 2: Convert to fraction form
    2,765.33/4,146.92 = 1,225.25/x
  3. Step 3: Cross multiply
    2,765.33x = 4,146.92 × 1,225.25
  4. Step 4: Simplify right side
    2,765.33x = 5,081,007.60
  5. Step 5: Solve for x
    x = 5,081,007.60/2,765.33
  6. Step 6: Final answer
    x = 1,837.40

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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.