Home / 3,357.92-5,037.36-1,409.60

Finding the Fourth Proportional to 3,357.92, 5,037.36 and 1,409.60

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Solution

The fourth proportional to 3,357.92, 5,037.36 and 1,409.60 is: 2,114.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,357.92 : 5,037.36 = 1,409.60 : x
  2. Step 2: Convert to fraction form
    3,357.92/5,037.36 = 1,409.60/x
  3. Step 3: Cross multiply
    3,357.92x = 5,037.36 × 1,409.60
  4. Step 4: Simplify right side
    3,357.92x = 7,100,662.66
  5. Step 5: Solve for x
    x = 7,100,662.66/3,357.92
  6. Step 6: Final answer
    x = 2,114.60

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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.