Home / 3,722.10-5,583.15-1,257.54

Finding the Fourth Proportional to 3,722.10, 5,583.15 and 1,257.54

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Solution

The fourth proportional to 3,722.10, 5,583.15 and 1,257.54 is: 1,886.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.10 : 5,583.15 = 1,257.54 : x
  2. Step 2: Convert to fraction form
    3,722.10/5,583.15 = 1,257.54/x
  3. Step 3: Cross multiply
    3,722.10x = 5,583.15 × 1,257.54
  4. Step 4: Simplify right side
    3,722.10x = 7,021,034.45
  5. Step 5: Solve for x
    x = 7,021,034.45/3,722.10
  6. Step 6: Final answer
    x = 1,886.31

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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.