Home / 1,879.06-2,817.26-904.66

Finding the Fourth Proportional to 1,879.06, 2,817.26 and 904.66

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Solution

The fourth proportional to 1,879.06, 2,817.26 and 904.66 is: 1,356.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879.06 : 2,817.26 = 904.66 : x
  2. Step 2: Convert to fraction form
    1,879.06/2,817.26 = 904.66/x
  3. Step 3: Cross multiply
    1,879.06x = 2,817.26 × 904.66
  4. Step 4: Simplify right side
    1,879.06x = 2,548,662.43
  5. Step 5: Solve for x
    x = 2,548,662.43/1,879.06
  6. Step 6: Final answer
    x = 1,356.35

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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.