Home / 3,683.69-5,526.43-1,218.55

Finding the Fourth Proportional to 3,683.69, 5,526.43 and 1,218.55

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Solution

The fourth proportional to 3,683.69, 5,526.43 and 1,218.55 is: 1,828.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,683.69 : 5,526.43 = 1,218.55 : x
  2. Step 2: Convert to fraction form
    3,683.69/5,526.43 = 1,218.55/x
  3. Step 3: Cross multiply
    3,683.69x = 5,526.43 × 1,218.55
  4. Step 4: Simplify right side
    3,683.69x = 6,734,203.64
  5. Step 5: Solve for x
    x = 6,734,203.64/3,683.69
  6. Step 6: Final answer
    x = 1,828.12

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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.