Home / 2,945.08-4,417.62-1,190.86

Finding the Fourth Proportional to 2,945.08, 4,417.62 and 1,190.86

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Solution

The fourth proportional to 2,945.08, 4,417.62 and 1,190.86 is: 1,786.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945.08 : 4,417.62 = 1,190.86 : x
  2. Step 2: Convert to fraction form
    2,945.08/4,417.62 = 1,190.86/x
  3. Step 3: Cross multiply
    2,945.08x = 4,417.62 × 1,190.86
  4. Step 4: Simplify right side
    2,945.08x = 5,260,766.95
  5. Step 5: Solve for x
    x = 5,260,766.95/2,945.08
  6. Step 6: Final answer
    x = 1,786.29

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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.