Home / 3,115.26-4,672.98-1,167.09

Finding the Fourth Proportional to 3,115.26, 4,672.98 and 1,167.09

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Solution

The fourth proportional to 3,115.26, 4,672.98 and 1,167.09 is: 1,750.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115.26 : 4,672.98 = 1,167.09 : x
  2. Step 2: Convert to fraction form
    3,115.26/4,672.98 = 1,167.09/x
  3. Step 3: Cross multiply
    3,115.26x = 4,672.98 × 1,167.09
  4. Step 4: Simplify right side
    3,115.26x = 5,453,788.23
  5. Step 5: Solve for x
    x = 5,453,788.23/3,115.26
  6. Step 6: Final answer
    x = 1,750.67

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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.