Home / 3,155.90-4,733.32-1,181

Finding the Fourth Proportional to 3,155.90, 4,733.32 and 1,181

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Solution

The fourth proportional to 3,155.90, 4,733.32 and 1,181 is: 1,771.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.90 : 4,733.32 = 1,181 : x
  2. Step 2: Convert to fraction form
    3,155.90/4,733.32 = 1,181/x
  3. Step 3: Cross multiply
    3,155.90x = 4,733.32 × 1,181
  4. Step 4: Simplify right side
    3,155.90x = 5,590,050.92
  5. Step 5: Solve for x
    x = 5,590,050.92/3,155.90
  6. Step 6: Final answer
    x = 1,771.30

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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.