Home / 3,914.75-5,868.38-1,448.91

Finding the Fourth Proportional to 3,914.75, 5,868.38 and 1,448.91

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Solution

The fourth proportional to 3,914.75, 5,868.38 and 1,448.91 is: 2,171.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,914.75 : 5,868.38 = 1,448.91 : x
  2. Step 2: Convert to fraction form
    3,914.75/5,868.38 = 1,448.91/x
  3. Step 3: Cross multiply
    3,914.75x = 5,868.38 × 1,448.91
  4. Step 4: Simplify right side
    3,914.75x = 8,502,758.09
  5. Step 5: Solve for x
    x = 8,502,758.09/3,914.75
  6. Step 6: Final answer
    x = 2,171.98

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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.