Home / 2,775.54-3,825.93-1,889.82

Finding the Fourth Proportional to 2,775.54, 3,825.93 and 1,889.82

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Solution

The fourth proportional to 2,775.54, 3,825.93 and 1,889.82 is: 2,605.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775.54 : 3,825.93 = 1,889.82 : x
  2. Step 2: Convert to fraction form
    2,775.54/3,825.93 = 1,889.82/x
  3. Step 3: Cross multiply
    2,775.54x = 3,825.93 × 1,889.82
  4. Step 4: Simplify right side
    2,775.54x = 7,230,319.03
  5. Step 5: Solve for x
    x = 7,230,319.03/2,775.54
  6. Step 6: Final answer
    x = 2,605.01

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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.