Home / 3,617.62-5,426.32-1,152.60

Finding the Fourth Proportional to 3,617.62, 5,426.32 and 1,152.60

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Solution

The fourth proportional to 3,617.62, 5,426.32 and 1,152.60 is: 1,728.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.62 : 5,426.32 = 1,152.60 : x
  2. Step 2: Convert to fraction form
    3,617.62/5,426.32 = 1,152.60/x
  3. Step 3: Cross multiply
    3,617.62x = 5,426.32 × 1,152.60
  4. Step 4: Simplify right side
    3,617.62x = 6,254,376.43
  5. Step 5: Solve for x
    x = 6,254,376.43/3,617.62
  6. Step 6: Final answer
    x = 1,728.86

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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.