Home / 2,537.24-3,806.70-1,238.60

Finding the Fourth Proportional to 2,537.24, 3,806.70 and 1,238.60

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Solution

The fourth proportional to 2,537.24, 3,806.70 and 1,238.60 is: 1,858.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,537.24 : 3,806.70 = 1,238.60 : x
  2. Step 2: Convert to fraction form
    2,537.24/3,806.70 = 1,238.60/x
  3. Step 3: Cross multiply
    2,537.24x = 3,806.70 × 1,238.60
  4. Step 4: Simplify right side
    2,537.24x = 4,714,978.62
  5. Step 5: Solve for x
    x = 4,714,978.62/2,537.24
  6. Step 6: Final answer
    x = 1,858.31

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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.