Home / 3,637.93-5,456.40-1,297.31

Finding the Fourth Proportional to 3,637.93, 5,456.40 and 1,297.31

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Solution

The fourth proportional to 3,637.93, 5,456.40 and 1,297.31 is: 1,945.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,637.93 : 5,456.40 = 1,297.31 : x
  2. Step 2: Convert to fraction form
    3,637.93/5,456.40 = 1,297.31/x
  3. Step 3: Cross multiply
    3,637.93x = 5,456.40 × 1,297.31
  4. Step 4: Simplify right side
    3,637.93x = 7,078,615.00
  5. Step 5: Solve for x
    x = 7,078,615.00/3,637.93
  6. Step 6: Final answer
    x = 1,945.78

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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.