Home / 2,537.89-3,806.81-1,305.64

Finding the Fourth Proportional to 2,537.89, 3,806.81 and 1,305.64

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Solution

The fourth proportional to 2,537.89, 3,806.81 and 1,305.64 is: 1,958.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,537.89 : 3,806.81 = 1,305.64 : x
  2. Step 2: Convert to fraction form
    2,537.89/3,806.81 = 1,305.64/x
  3. Step 3: Cross multiply
    2,537.89x = 3,806.81 × 1,305.64
  4. Step 4: Simplify right side
    2,537.89x = 4,970,323.41
  5. Step 5: Solve for x
    x = 4,970,323.41/2,537.89
  6. Step 6: Final answer
    x = 1,958.45

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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.