Home / 3,074.80-4,244.16-2,027.20

Finding the Fourth Proportional to 3,074.80, 4,244.16 and 2,027.20

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Solution

The fourth proportional to 3,074.80, 4,244.16 and 2,027.20 is: 2,798.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074.80 : 4,244.16 = 2,027.20 : x
  2. Step 2: Convert to fraction form
    3,074.80/4,244.16 = 2,027.20/x
  3. Step 3: Cross multiply
    3,074.80x = 4,244.16 × 2,027.20
  4. Step 4: Simplify right side
    3,074.80x = 8,603,761.15
  5. Step 5: Solve for x
    x = 8,603,761.15/3,074.80
  6. Step 6: Final answer
    x = 2,798.15

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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.