Home / 3,621.78-5,432.94-1,541.56

Finding the Fourth Proportional to 3,621.78, 5,432.94 and 1,541.56

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Solution

The fourth proportional to 3,621.78, 5,432.94 and 1,541.56 is: 2,312.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.78 : 5,432.94 = 1,541.56 : x
  2. Step 2: Convert to fraction form
    3,621.78/5,432.94 = 1,541.56/x
  3. Step 3: Cross multiply
    3,621.78x = 5,432.94 × 1,541.56
  4. Step 4: Simplify right side
    3,621.78x = 8,375,202.99
  5. Step 5: Solve for x
    x = 8,375,202.99/3,621.78
  6. Step 6: Final answer
    x = 2,312.45

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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.