Home / 3,815.70-5,722.10-1,350.06

Finding the Fourth Proportional to 3,815.70, 5,722.10 and 1,350.06

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Solution

The fourth proportional to 3,815.70, 5,722.10 and 1,350.06 is: 2,024.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815.70 : 5,722.10 = 1,350.06 : x
  2. Step 2: Convert to fraction form
    3,815.70/5,722.10 = 1,350.06/x
  3. Step 3: Cross multiply
    3,815.70x = 5,722.10 × 1,350.06
  4. Step 4: Simplify right side
    3,815.70x = 7,725,178.33
  5. Step 5: Solve for x
    x = 7,725,178.33/3,815.70
  6. Step 6: Final answer
    x = 2,024.58

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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.