Home / 3,408.20-4,703.43-2,228.60

Finding the Fourth Proportional to 3,408.20, 4,703.43 and 2,228.60

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Solution

The fourth proportional to 3,408.20, 4,703.43 and 2,228.60 is: 3,075.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408.20 : 4,703.43 = 2,228.60 : x
  2. Step 2: Convert to fraction form
    3,408.20/4,703.43 = 2,228.60/x
  3. Step 3: Cross multiply
    3,408.20x = 4,703.43 × 2,228.60
  4. Step 4: Simplify right side
    3,408.20x = 10,482,064.10
  5. Step 5: Solve for x
    x = 10,482,064.10/3,408.20
  6. Step 6: Final answer
    x = 3,075.54

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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.