Home / 3,750.54-5,628.62-1,412.85

Finding the Fourth Proportional to 3,750.54, 5,628.62 and 1,412.85

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Solution

The fourth proportional to 3,750.54, 5,628.62 and 1,412.85 is: 2,120.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.54 : 5,628.62 = 1,412.85 : x
  2. Step 2: Convert to fraction form
    3,750.54/5,628.62 = 1,412.85/x
  3. Step 3: Cross multiply
    3,750.54x = 5,628.62 × 1,412.85
  4. Step 4: Simplify right side
    3,750.54x = 7,952,395.77
  5. Step 5: Solve for x
    x = 7,952,395.77/3,750.54
  6. Step 6: Final answer
    x = 2,120.33

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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.