Home / 3,682.63-5,518.56-1,708.87

Finding the Fourth Proportional to 3,682.63, 5,518.56 and 1,708.87

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Solution

The fourth proportional to 3,682.63, 5,518.56 and 1,708.87 is: 2,560.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,682.63 : 5,518.56 = 1,708.87 : x
  2. Step 2: Convert to fraction form
    3,682.63/5,518.56 = 1,708.87/x
  3. Step 3: Cross multiply
    3,682.63x = 5,518.56 × 1,708.87
  4. Step 4: Simplify right side
    3,682.63x = 9,430,501.63
  5. Step 5: Solve for x
    x = 9,430,501.63/3,682.63
  6. Step 6: Final answer
    x = 2,560.81

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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.