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Finding the Fourth Proportional to 2,382.62, 3,573.66 and 627.80

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Solution

The fourth proportional to 2,382.62, 3,573.66 and 627.80 is: 941.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,382.62 : 3,573.66 = 627.80 : x
  2. Step 2: Convert to fraction form
    2,382.62/3,573.66 = 627.80/x
  3. Step 3: Cross multiply
    2,382.62x = 3,573.66 × 627.80
  4. Step 4: Simplify right side
    2,382.62x = 2,243,543.75
  5. Step 5: Solve for x
    x = 2,243,543.75/2,382.62
  6. Step 6: Final answer
    x = 941.63

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1.5x scale

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.