Home / 4,081.88-6,122.66-1,308.48

Finding the Fourth Proportional to 4,081.88, 6,122.66 and 1,308.48

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Solution

The fourth proportional to 4,081.88, 6,122.66 and 1,308.48 is: 1,962.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.88 : 6,122.66 = 1,308.48 : x
  2. Step 2: Convert to fraction form
    4,081.88/6,122.66 = 1,308.48/x
  3. Step 3: Cross multiply
    4,081.88x = 6,122.66 × 1,308.48
  4. Step 4: Simplify right side
    4,081.88x = 8,011,378.16
  5. Step 5: Solve for x
    x = 8,011,378.16/4,081.88
  6. Step 6: Final answer
    x = 1,962.67

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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.