Home / 2,745.09-4,117.03-1,101.20

Finding the Fourth Proportional to 2,745.09, 4,117.03 and 1,101.20

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Solution

The fourth proportional to 2,745.09, 4,117.03 and 1,101.20 is: 1,651.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.09 : 4,117.03 = 1,101.20 : x
  2. Step 2: Convert to fraction form
    2,745.09/4,117.03 = 1,101.20/x
  3. Step 3: Cross multiply
    2,745.09x = 4,117.03 × 1,101.20
  4. Step 4: Simplify right side
    2,745.09x = 4,533,650.10
  5. Step 5: Solve for x
    x = 4,533,650.10/2,745.09
  6. Step 6: Final answer
    x = 1,651.55

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1.5x scale

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.