Home / 2,548.12-3,817.26-1,879.84

Finding the Fourth Proportional to 2,548.12, 3,817.26 and 1,879.84

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Solution

The fourth proportional to 2,548.12, 3,817.26 and 1,879.84 is: 2,816.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,548.12 : 3,817.26 = 1,879.84 : x
  2. Step 2: Convert to fraction form
    2,548.12/3,817.26 = 1,879.84/x
  3. Step 3: Cross multiply
    2,548.12x = 3,817.26 × 1,879.84
  4. Step 4: Simplify right side
    2,548.12x = 7,175,838.04
  5. Step 5: Solve for x
    x = 7,175,838.04/2,548.12
  6. Step 6: Final answer
    x = 2,816.13

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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.