Home / 2,745.28-3,788.54-1,627.08

Finding the Fourth Proportional to 2,745.28, 3,788.54 and 1,627.08

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Solution

The fourth proportional to 2,745.28, 3,788.54 and 1,627.08 is: 2,245.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.28 : 3,788.54 = 1,627.08 : x
  2. Step 2: Convert to fraction form
    2,745.28/3,788.54 = 1,627.08/x
  3. Step 3: Cross multiply
    2,745.28x = 3,788.54 × 1,627.08
  4. Step 4: Simplify right side
    2,745.28x = 6,164,257.66
  5. Step 5: Solve for x
    x = 6,164,257.66/2,745.28
  6. Step 6: Final answer
    x = 2,245.40

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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.