Home / 3,122.82-4,683.75-1,174.57

Finding the Fourth Proportional to 3,122.82, 4,683.75 and 1,174.57

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Solution

The fourth proportional to 3,122.82, 4,683.75 and 1,174.57 is: 1,761.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122.82 : 4,683.75 = 1,174.57 : x
  2. Step 2: Convert to fraction form
    3,122.82/4,683.75 = 1,174.57/x
  3. Step 3: Cross multiply
    3,122.82x = 4,683.75 × 1,174.57
  4. Step 4: Simplify right side
    3,122.82x = 5,501,368.82
  5. Step 5: Solve for x
    x = 5,501,368.82/3,122.82
  6. Step 6: Final answer
    x = 1,761.67

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1.5x scale

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.