Home / 3,394.40-5,091.60-1,202.40

Finding the Fourth Proportional to 3,394.40, 5,091.60 and 1,202.40

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Solution

The fourth proportional to 3,394.40, 5,091.60 and 1,202.40 is: 1,803.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,394.40 : 5,091.60 = 1,202.40 : x
  2. Step 2: Convert to fraction form
    3,394.40/5,091.60 = 1,202.40/x
  3. Step 3: Cross multiply
    3,394.40x = 5,091.60 × 1,202.40
  4. Step 4: Simplify right side
    3,394.40x = 6,122,139.84
  5. Step 5: Solve for x
    x = 6,122,139.84/3,394.40
  6. Step 6: Final answer
    x = 1,803.60

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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.