Home / 2,765.26-4,150.32-1,792.45

Finding the Fourth Proportional to 2,765.26, 4,150.32 and 1,792.45

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Solution

The fourth proportional to 2,765.26, 4,150.32 and 1,792.45 is: 2,690.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765.26 : 4,150.32 = 1,792.45 : x
  2. Step 2: Convert to fraction form
    2,765.26/4,150.32 = 1,792.45/x
  3. Step 3: Cross multiply
    2,765.26x = 4,150.32 × 1,792.45
  4. Step 4: Simplify right side
    2,765.26x = 7,439,241.08
  5. Step 5: Solve for x
    x = 7,439,241.08/2,765.26
  6. Step 6: Final answer
    x = 2,690.25

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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.