Home / 3,950.33-5,921.39-1,868.75

Finding the Fourth Proportional to 3,950.33, 5,921.39 and 1,868.75

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Solution

The fourth proportional to 3,950.33, 5,921.39 and 1,868.75 is: 2,801.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950.33 : 5,921.39 = 1,868.75 : x
  2. Step 2: Convert to fraction form
    3,950.33/5,921.39 = 1,868.75/x
  3. Step 3: Cross multiply
    3,950.33x = 5,921.39 × 1,868.75
  4. Step 4: Simplify right side
    3,950.33x = 11,065,569.64
  5. Step 5: Solve for x
    x = 11,065,569.64/3,950.33
  6. Step 6: Final answer
    x = 2,801.18

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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.