Home / 3,603.10-5,405.22-1,137.46

Finding the Fourth Proportional to 3,603.10, 5,405.22 and 1,137.46

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Solution

The fourth proportional to 3,603.10, 5,405.22 and 1,137.46 is: 1,706.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,603.10 : 5,405.22 = 1,137.46 : x
  2. Step 2: Convert to fraction form
    3,603.10/5,405.22 = 1,137.46/x
  3. Step 3: Cross multiply
    3,603.10x = 5,405.22 × 1,137.46
  4. Step 4: Simplify right side
    3,603.10x = 6,148,221.54
  5. Step 5: Solve for x
    x = 6,148,221.54/3,603.10
  6. Step 6: Final answer
    x = 1,706.37

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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.