Home / 3,782.19-5,673.75-1,316.66

Finding the Fourth Proportional to 3,782.19, 5,673.75 and 1,316.66

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Solution

The fourth proportional to 3,782.19, 5,673.75 and 1,316.66 is: 1,975.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,782.19 : 5,673.75 = 1,316.66 : x
  2. Step 2: Convert to fraction form
    3,782.19/5,673.75 = 1,316.66/x
  3. Step 3: Cross multiply
    3,782.19x = 5,673.75 × 1,316.66
  4. Step 4: Simplify right side
    3,782.19x = 7,470,366.37
  5. Step 5: Solve for x
    x = 7,470,366.37/3,782.19
  6. Step 6: Final answer
    x = 1,975.14

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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.