Home / 3,677.22-5,515.72-1,485.87

Finding the Fourth Proportional to 3,677.22, 5,515.72 and 1,485.87

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Solution

The fourth proportional to 3,677.22, 5,515.72 and 1,485.87 is: 2,228.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,677.22 : 5,515.72 = 1,485.87 : x
  2. Step 2: Convert to fraction form
    3,677.22/5,515.72 = 1,485.87/x
  3. Step 3: Cross multiply
    3,677.22x = 5,515.72 × 1,485.87
  4. Step 4: Simplify right side
    3,677.22x = 8,195,642.88
  5. Step 5: Solve for x
    x = 8,195,642.88/3,677.22
  6. Step 6: Final answer
    x = 2,228.76

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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.