Home / 2,745.08-3,788.20-1,566.20

Finding the Fourth Proportional to 2,745.08, 3,788.20 and 1,566.20

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Solution

The fourth proportional to 2,745.08, 3,788.20 and 1,566.20 is: 2,161.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.08 : 3,788.20 = 1,566.20 : x
  2. Step 2: Convert to fraction form
    2,745.08/3,788.20 = 1,566.20/x
  3. Step 3: Cross multiply
    2,745.08x = 3,788.20 × 1,566.20
  4. Step 4: Simplify right side
    2,745.08x = 5,933,078.84
  5. Step 5: Solve for x
    x = 5,933,078.84/2,745.08
  6. Step 6: Final answer
    x = 2,161.35

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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.