Home / 2,758.40-3,805.44-1,825.28

Finding the Fourth Proportional to 2,758.40, 3,805.44 and 1,825.28

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Solution

The fourth proportional to 2,758.40, 3,805.44 and 1,825.28 is: 2,518.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758.40 : 3,805.44 = 1,825.28 : x
  2. Step 2: Convert to fraction form
    2,758.40/3,805.44 = 1,825.28/x
  3. Step 3: Cross multiply
    2,758.40x = 3,805.44 × 1,825.28
  4. Step 4: Simplify right side
    2,758.40x = 6,945,993.52
  5. Step 5: Solve for x
    x = 6,945,993.52/2,758.40
  6. Step 6: Final answer
    x = 2,518.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.