Home / 3,286.75-4,535.73-1,889.50

Finding the Fourth Proportional to 3,286.75, 4,535.73 and 1,889.50

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Solution

The fourth proportional to 3,286.75, 4,535.73 and 1,889.50 is: 2,607.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.75 : 4,535.73 = 1,889.50 : x
  2. Step 2: Convert to fraction form
    3,286.75/4,535.73 = 1,889.50/x
  3. Step 3: Cross multiply
    3,286.75x = 4,535.73 × 1,889.50
  4. Step 4: Simplify right side
    3,286.75x = 8,570,261.84
  5. Step 5: Solve for x
    x = 8,570,261.84/3,286.75
  6. Step 6: Final answer
    x = 2,607.52

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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.