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Finding the Fourth Proportional to 2,627.77, 3,627.45 and 1,880.44

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Solution

The fourth proportional to 2,627.77, 3,627.45 and 1,880.44 is: 2,595.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,627.77 : 3,627.45 = 1,880.44 : x
  2. Step 2: Convert to fraction form
    2,627.77/3,627.45 = 1,880.44/x
  3. Step 3: Cross multiply
    2,627.77x = 3,627.45 × 1,880.44
  4. Step 4: Simplify right side
    2,627.77x = 6,821,202.08
  5. Step 5: Solve for x
    x = 6,821,202.08/2,627.77
  6. Step 6: Final answer
    x = 2,595.81

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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.