Home / 3,089.26-4,260.99-1,910.89

Finding the Fourth Proportional to 3,089.26, 4,260.99 and 1,910.89

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Solution

The fourth proportional to 3,089.26, 4,260.99 and 1,910.89 is: 2,635.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.26 : 4,260.99 = 1,910.89 : x
  2. Step 2: Convert to fraction form
    3,089.26/4,260.99 = 1,910.89/x
  3. Step 3: Cross multiply
    3,089.26x = 4,260.99 × 1,910.89
  4. Step 4: Simplify right side
    3,089.26x = 8,142,283.18
  5. Step 5: Solve for x
    x = 8,142,283.18/3,089.26
  6. Step 6: Final answer
    x = 2,635.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.