Home / 2,627.10-3,940.65-2,505.60

Finding the Fourth Proportional to 2,627.10, 3,940.65 and 2,505.60

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Solution

The fourth proportional to 2,627.10, 3,940.65 and 2,505.60 is: 3,758.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,627.10 : 3,940.65 = 2,505.60 : x
  2. Step 2: Convert to fraction form
    2,627.10/3,940.65 = 2,505.60/x
  3. Step 3: Cross multiply
    2,627.10x = 3,940.65 × 2,505.60
  4. Step 4: Simplify right side
    2,627.10x = 9,873,692.64
  5. Step 5: Solve for x
    x = 9,873,692.64/2,627.10
  6. Step 6: Final answer
    x = 3,758.40

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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.