Home / 3,621.43-5,428.67-1,154.89

Finding the Fourth Proportional to 3,621.43, 5,428.67 and 1,154.89

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Solution

The fourth proportional to 3,621.43, 5,428.67 and 1,154.89 is: 1,731.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.43 : 5,428.67 = 1,154.89 : x
  2. Step 2: Convert to fraction form
    3,621.43/5,428.67 = 1,154.89/x
  3. Step 3: Cross multiply
    3,621.43x = 5,428.67 × 1,154.89
  4. Step 4: Simplify right side
    3,621.43x = 6,269,489.55
  5. Step 5: Solve for x
    x = 6,269,489.55/3,621.43
  6. Step 6: Final answer
    x = 1,731.22

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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.