Home / 3,099.36-4,647.12-1,365.60

Finding the Fourth Proportional to 3,099.36, 4,647.12 and 1,365.60

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Solution

The fourth proportional to 3,099.36, 4,647.12 and 1,365.60 is: 2,047.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.36 : 4,647.12 = 1,365.60 : x
  2. Step 2: Convert to fraction form
    3,099.36/4,647.12 = 1,365.60/x
  3. Step 3: Cross multiply
    3,099.36x = 4,647.12 × 1,365.60
  4. Step 4: Simplify right side
    3,099.36x = 6,346,107.07
  5. Step 5: Solve for x
    x = 6,346,107.07/3,099.36
  6. Step 6: Final answer
    x = 2,047.55

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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.