Home / 2,525.32-3,784.87-1,907.09

Finding the Fourth Proportional to 2,525.32, 3,784.87 and 1,907.09

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Solution

The fourth proportional to 2,525.32, 3,784.87 and 1,907.09 is: 2,858.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,525.32 : 3,784.87 = 1,907.09 : x
  2. Step 2: Convert to fraction form
    2,525.32/3,784.87 = 1,907.09/x
  3. Step 3: Cross multiply
    2,525.32x = 3,784.87 × 1,907.09
  4. Step 4: Simplify right side
    2,525.32x = 7,218,087.73
  5. Step 5: Solve for x
    x = 7,218,087.73/2,525.32
  6. Step 6: Final answer
    x = 2,858.29

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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.