Home / 3,904.03-5,855.77-1,438.39

Finding the Fourth Proportional to 3,904.03, 5,855.77 and 1,438.39

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Solution

The fourth proportional to 3,904.03, 5,855.77 and 1,438.39 is: 2,157.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904.03 : 5,855.77 = 1,438.39 : x
  2. Step 2: Convert to fraction form
    3,904.03/5,855.77 = 1,438.39/x
  3. Step 3: Cross multiply
    3,904.03x = 5,855.77 × 1,438.39
  4. Step 4: Simplify right side
    3,904.03x = 8,422,881.01
  5. Step 5: Solve for x
    x = 8,422,881.01/3,904.03
  6. Step 6: Final answer
    x = 2,157.48

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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.