Home / 3,827.40-5,743.53-1,637.97

Finding the Fourth Proportional to 3,827.40, 5,743.53 and 1,637.97

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Solution

The fourth proportional to 3,827.40, 5,743.53 and 1,637.97 is: 2,457.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,827.40 : 5,743.53 = 1,637.97 : x
  2. Step 2: Convert to fraction form
    3,827.40/5,743.53 = 1,637.97/x
  3. Step 3: Cross multiply
    3,827.40x = 5,743.53 × 1,637.97
  4. Step 4: Simplify right side
    3,827.40x = 9,407,729.83
  5. Step 5: Solve for x
    x = 9,407,729.83/3,827.40
  6. Step 6: Final answer
    x = 2,457.99

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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.