Home / 3,399.08-5,100.06-1,858.28

Finding the Fourth Proportional to 3,399.08, 5,100.06 and 1,858.28

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Solution

The fourth proportional to 3,399.08, 5,100.06 and 1,858.28 is: 2,788.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,399.08 : 5,100.06 = 1,858.28 : x
  2. Step 2: Convert to fraction form
    3,399.08/5,100.06 = 1,858.28/x
  3. Step 3: Cross multiply
    3,399.08x = 5,100.06 × 1,858.28
  4. Step 4: Simplify right side
    3,399.08x = 9,477,339.50
  5. Step 5: Solve for x
    x = 9,477,339.50/3,399.08
  6. Step 6: Final answer
    x = 2,788.21

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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.