Home / 3,316.22-4,974.32-1,126.50

Finding the Fourth Proportional to 3,316.22, 4,974.32 and 1,126.50

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Solution

The fourth proportional to 3,316.22, 4,974.32 and 1,126.50 is: 1,689.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.22 : 4,974.32 = 1,126.50 : x
  2. Step 2: Convert to fraction form
    3,316.22/4,974.32 = 1,126.50/x
  3. Step 3: Cross multiply
    3,316.22x = 4,974.32 × 1,126.50
  4. Step 4: Simplify right side
    3,316.22x = 5,603,571.48
  5. Step 5: Solve for x
    x = 5,603,571.48/3,316.22
  6. Step 6: Final answer
    x = 1,689.75

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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.