Home / 3,778.25-5,667.80-1,005.03

Finding the Fourth Proportional to 3,778.25, 5,667.80 and 1,005.03

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Solution

The fourth proportional to 3,778.25, 5,667.80 and 1,005.03 is: 1,507.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778.25 : 5,667.80 = 1,005.03 : x
  2. Step 2: Convert to fraction form
    3,778.25/5,667.80 = 1,005.03/x
  3. Step 3: Cross multiply
    3,778.25x = 5,667.80 × 1,005.03
  4. Step 4: Simplify right side
    3,778.25x = 5,696,307.78
  5. Step 5: Solve for x
    x = 5,696,307.78/3,778.25
  6. Step 6: Final answer
    x = 1,507.66

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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.