Home / 2,485.09-3,725.65-1,251.37

Finding the Fourth Proportional to 2,485.09, 3,725.65 and 1,251.37

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Solution

The fourth proportional to 2,485.09, 3,725.65 and 1,251.37 is: 1,876.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485.09 : 3,725.65 = 1,251.37 : x
  2. Step 2: Convert to fraction form
    2,485.09/3,725.65 = 1,251.37/x
  3. Step 3: Cross multiply
    2,485.09x = 3,725.65 × 1,251.37
  4. Step 4: Simplify right side
    2,485.09x = 4,662,166.64
  5. Step 5: Solve for x
    x = 4,662,166.64/2,485.09
  6. Step 6: Final answer
    x = 1,876.06

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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.