Home / 1,485.25-2,049.75-895.75

Finding the Fourth Proportional to 1,485.25, 2,049.75 and 895.75

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Solution

The fourth proportional to 1,485.25, 2,049.75 and 895.75 is: 1,236.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485.25 : 2,049.75 = 895.75 : x
  2. Step 2: Convert to fraction form
    1,485.25/2,049.75 = 895.75/x
  3. Step 3: Cross multiply
    1,485.25x = 2,049.75 × 895.75
  4. Step 4: Simplify right side
    1,485.25x = 1,836,063.56
  5. Step 5: Solve for x
    x = 1,836,063.56/1,485.25
  6. Step 6: Final answer
    x = 1,236.20

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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.