Home / 2,608.90-3,907.58-1,876.25

Finding the Fourth Proportional to 2,608.90, 3,907.58 and 1,876.25

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Solution

The fourth proportional to 2,608.90, 3,907.58 and 1,876.25 is: 2,810.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,608.90 : 3,907.58 = 1,876.25 : x
  2. Step 2: Convert to fraction form
    2,608.90/3,907.58 = 1,876.25/x
  3. Step 3: Cross multiply
    2,608.90x = 3,907.58 × 1,876.25
  4. Step 4: Simplify right side
    2,608.90x = 7,331,597.36
  5. Step 5: Solve for x
    x = 7,331,597.36/2,608.90
  6. Step 6: Final answer
    x = 2,810.23

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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.