Home / 2,645.46-3,961.53-2,395.80

Finding the Fourth Proportional to 2,645.46, 3,961.53 and 2,395.80

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Solution

The fourth proportional to 2,645.46, 3,961.53 and 2,395.80 is: 3,587.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,645.46 : 3,961.53 = 2,395.80 : x
  2. Step 2: Convert to fraction form
    2,645.46/3,961.53 = 2,395.80/x
  3. Step 3: Cross multiply
    2,645.46x = 3,961.53 × 2,395.80
  4. Step 4: Simplify right side
    2,645.46x = 9,491,033.57
  5. Step 5: Solve for x
    x = 9,491,033.57/2,645.46
  6. Step 6: Final answer
    x = 3,587.67

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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.