Home / 3,782.03-5,675.66-1,316.87

Finding the Fourth Proportional to 3,782.03, 5,675.66 and 1,316.87

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Solution

The fourth proportional to 3,782.03, 5,675.66 and 1,316.87 is: 1,976.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,782.03 : 5,675.66 = 1,316.87 : x
  2. Step 2: Convert to fraction form
    3,782.03/5,675.66 = 1,316.87/x
  3. Step 3: Cross multiply
    3,782.03x = 5,675.66 × 1,316.87
  4. Step 4: Simplify right side
    3,782.03x = 7,474,106.38
  5. Step 5: Solve for x
    x = 7,474,106.38/3,782.03
  6. Step 6: Final answer
    x = 1,976.22

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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.