Home / 2,561.00-3,841.63-2,173.70

Finding the Fourth Proportional to 2,561.00, 3,841.63 and 2,173.70

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Solution

The fourth proportional to 2,561.00, 3,841.63 and 2,173.70 is: 3,260.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,561.00 : 3,841.63 = 2,173.70 : x
  2. Step 2: Convert to fraction form
    2,561.00/3,841.63 = 2,173.70/x
  3. Step 3: Cross multiply
    2,561.00x = 3,841.63 × 2,173.70
  4. Step 4: Simplify right side
    2,561.00x = 8,350,555.30
  5. Step 5: Solve for x
    x = 8,350,555.30/2,561.00
  6. Step 6: Final answer
    x = 3,260.67

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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.