Home / 3,907.12-5,858.79-1,443.10

Finding the Fourth Proportional to 3,907.12, 5,858.79 and 1,443.10

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Solution

The fourth proportional to 3,907.12, 5,858.79 and 1,443.10 is: 2,163.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,907.12 : 5,858.79 = 1,443.10 : x
  2. Step 2: Convert to fraction form
    3,907.12/5,858.79 = 1,443.10/x
  3. Step 3: Cross multiply
    3,907.12x = 5,858.79 × 1,443.10
  4. Step 4: Simplify right side
    3,907.12x = 8,454,819.85
  5. Step 5: Solve for x
    x = 8,454,819.85/3,907.12
  6. Step 6: Final answer
    x = 2,163.95

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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.