Home / 3,399.40-5,098.38-1,091.08

Finding the Fourth Proportional to 3,399.40, 5,098.38 and 1,091.08

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Solution

The fourth proportional to 3,399.40, 5,098.38 and 1,091.08 is: 1,636.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,399.40 : 5,098.38 = 1,091.08 : x
  2. Step 2: Convert to fraction form
    3,399.40/5,098.38 = 1,091.08/x
  3. Step 3: Cross multiply
    3,399.40x = 5,098.38 × 1,091.08
  4. Step 4: Simplify right side
    3,399.40x = 5,562,740.45
  5. Step 5: Solve for x
    x = 5,562,740.45/3,399.40
  6. Step 6: Final answer
    x = 1,636.39

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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.