Home / 3,241.32-4,858.22-1,389.64

Finding the Fourth Proportional to 3,241.32, 4,858.22 and 1,389.64

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Solution

The fourth proportional to 3,241.32, 4,858.22 and 1,389.64 is: 2,082.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,241.32 : 4,858.22 = 1,389.64 : x
  2. Step 2: Convert to fraction form
    3,241.32/4,858.22 = 1,389.64/x
  3. Step 3: Cross multiply
    3,241.32x = 4,858.22 × 1,389.64
  4. Step 4: Simplify right side
    3,241.32x = 6,751,176.84
  5. Step 5: Solve for x
    x = 6,751,176.84/3,241.32
  6. Step 6: Final answer
    x = 2,082.85

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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.