Home / 3,069.70-4,601.67-1,120.48

Finding the Fourth Proportional to 3,069.70, 4,601.67 and 1,120.48

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Solution

The fourth proportional to 3,069.70, 4,601.67 and 1,120.48 is: 1,679.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,069.70 : 4,601.67 = 1,120.48 : x
  2. Step 2: Convert to fraction form
    3,069.70/4,601.67 = 1,120.48/x
  3. Step 3: Cross multiply
    3,069.70x = 4,601.67 × 1,120.48
  4. Step 4: Simplify right side
    3,069.70x = 5,156,079.20
  5. Step 5: Solve for x
    x = 5,156,079.20/3,069.70
  6. Step 6: Final answer
    x = 1,679.67

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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.