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Finding the Fourth Proportional to 2,630.49, 3,627.18 and 2,230.62

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Solution

The fourth proportional to 2,630.49, 3,627.18 and 2,230.62 is: 3,075.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,630.49 : 3,627.18 = 2,230.62 : x
  2. Step 2: Convert to fraction form
    2,630.49/3,627.18 = 2,230.62/x
  3. Step 3: Cross multiply
    2,630.49x = 3,627.18 × 2,230.62
  4. Step 4: Simplify right side
    2,630.49x = 8,090,860.25
  5. Step 5: Solve for x
    x = 8,090,860.25/2,630.49
  6. Step 6: Final answer
    x = 3,075.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.