Home / 3,637.51-5,456.39-1,005.22

Finding the Fourth Proportional to 3,637.51, 5,456.39 and 1,005.22

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Solution

The fourth proportional to 3,637.51, 5,456.39 and 1,005.22 is: 1,507.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,637.51 : 5,456.39 = 1,005.22 : x
  2. Step 2: Convert to fraction form
    3,637.51/5,456.39 = 1,005.22/x
  3. Step 3: Cross multiply
    3,637.51x = 5,456.39 × 1,005.22
  4. Step 4: Simplify right side
    3,637.51x = 5,484,843.46
  5. Step 5: Solve for x
    x = 5,484,843.46/3,637.51
  6. Step 6: Final answer
    x = 1,507.86

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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.