Home / 3,037.60-4,190.64-2,408.20

Finding the Fourth Proportional to 3,037.60, 4,190.64 and 2,408.20

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Solution

The fourth proportional to 3,037.60, 4,190.64 and 2,408.20 is: 3,322.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,037.60 : 4,190.64 = 2,408.20 : x
  2. Step 2: Convert to fraction form
    3,037.60/4,190.64 = 2,408.20/x
  3. Step 3: Cross multiply
    3,037.60x = 4,190.64 × 2,408.20
  4. Step 4: Simplify right side
    3,037.60x = 10,091,899.25
  5. Step 5: Solve for x
    x = 10,091,899.25/3,037.60
  6. Step 6: Final answer
    x = 3,322.33

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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.