Home / 3,637.84-5,456.36-1,005.54

Finding the Fourth Proportional to 3,637.84, 5,456.36 and 1,005.54

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Solution

The fourth proportional to 3,637.84, 5,456.36 and 1,005.54 is: 1,508.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,637.84 : 5,456.36 = 1,005.54 : x
  2. Step 2: Convert to fraction form
    3,637.84/5,456.36 = 1,005.54/x
  3. Step 3: Cross multiply
    3,637.84x = 5,456.36 × 1,005.54
  4. Step 4: Simplify right side
    3,637.84x = 5,486,588.23
  5. Step 5: Solve for x
    x = 5,486,588.23/3,637.84
  6. Step 6: Final answer
    x = 1,508.20

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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.