Home / 3,944.12-5,918.44-1,603.69

Finding the Fourth Proportional to 3,944.12, 5,918.44 and 1,603.69

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Solution

The fourth proportional to 3,944.12, 5,918.44 and 1,603.69 is: 2,406.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944.12 : 5,918.44 = 1,603.69 : x
  2. Step 2: Convert to fraction form
    3,944.12/5,918.44 = 1,603.69/x
  3. Step 3: Cross multiply
    3,944.12x = 5,918.44 × 1,603.69
  4. Step 4: Simplify right side
    3,944.12x = 9,491,339.03
  5. Step 5: Solve for x
    x = 9,491,339.03/3,944.12
  6. Step 6: Final answer
    x = 2,406.45

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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.