Home / 2,115.41-3,174.26-883.67

Finding the Fourth Proportional to 2,115.41, 3,174.26 and 883.67

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Solution

The fourth proportional to 2,115.41, 3,174.26 and 883.67 is: 1,325.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115.41 : 3,174.26 = 883.67 : x
  2. Step 2: Convert to fraction form
    2,115.41/3,174.26 = 883.67/x
  3. Step 3: Cross multiply
    2,115.41x = 3,174.26 × 883.67
  4. Step 4: Simplify right side
    2,115.41x = 2,804,978.04
  5. Step 5: Solve for x
    x = 2,804,978.04/2,115.41
  6. Step 6: Final answer
    x = 1,325.97

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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.