Home / 3,355.15-5,033.46-1,406.35

Finding the Fourth Proportional to 3,355.15, 5,033.46 and 1,406.35

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Solution

The fourth proportional to 3,355.15, 5,033.46 and 1,406.35 is: 2,109.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355.15 : 5,033.46 = 1,406.35 : x
  2. Step 2: Convert to fraction form
    3,355.15/5,033.46 = 1,406.35/x
  3. Step 3: Cross multiply
    3,355.15x = 5,033.46 × 1,406.35
  4. Step 4: Simplify right side
    3,355.15x = 7,078,806.47
  5. Step 5: Solve for x
    x = 7,078,806.47/3,355.15
  6. Step 6: Final answer
    x = 2,109.83

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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.