Home / 3,621.75-5,433.02-1,155.99

Finding the Fourth Proportional to 3,621.75, 5,433.02 and 1,155.99

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Solution

The fourth proportional to 3,621.75, 5,433.02 and 1,155.99 is: 1,734.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.75 : 5,433.02 = 1,155.99 : x
  2. Step 2: Convert to fraction form
    3,621.75/5,433.02 = 1,155.99/x
  3. Step 3: Cross multiply
    3,621.75x = 5,433.02 × 1,155.99
  4. Step 4: Simplify right side
    3,621.75x = 6,280,516.79
  5. Step 5: Solve for x
    x = 6,280,516.79/3,621.75
  6. Step 6: Final answer
    x = 1,734.11

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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.