Home / 3,284.56-4,533.78-1,958.68

Finding the Fourth Proportional to 3,284.56, 4,533.78 and 1,958.68

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Solution

The fourth proportional to 3,284.56, 4,533.78 and 1,958.68 is: 2,703.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,284.56 : 4,533.78 = 1,958.68 : x
  2. Step 2: Convert to fraction form
    3,284.56/4,533.78 = 1,958.68/x
  3. Step 3: Cross multiply
    3,284.56x = 4,533.78 × 1,958.68
  4. Step 4: Simplify right side
    3,284.56x = 8,880,224.21
  5. Step 5: Solve for x
    x = 8,880,224.21/3,284.56
  6. Step 6: Final answer
    x = 2,703.63

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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.