Home / 2,958.96-4,435.32-2,805.16

Finding the Fourth Proportional to 2,958.96, 4,435.32 and 2,805.16

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Solution

The fourth proportional to 2,958.96, 4,435.32 and 2,805.16 is: 4,204.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,958.96 : 4,435.32 = 2,805.16 : x
  2. Step 2: Convert to fraction form
    2,958.96/4,435.32 = 2,805.16/x
  3. Step 3: Cross multiply
    2,958.96x = 4,435.32 × 2,805.16
  4. Step 4: Simplify right side
    2,958.96x = 12,441,782.25
  5. Step 5: Solve for x
    x = 12,441,782.25/2,958.96
  6. Step 6: Final answer
    x = 4,204.78

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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.