Home / 3,826.76-5,740.74-1,635.50

Finding the Fourth Proportional to 3,826.76, 5,740.74 and 1,635.50

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Solution

The fourth proportional to 3,826.76, 5,740.74 and 1,635.50 is: 2,453.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,826.76 : 5,740.74 = 1,635.50 : x
  2. Step 2: Convert to fraction form
    3,826.76/5,740.74 = 1,635.50/x
  3. Step 3: Cross multiply
    3,826.76x = 5,740.74 × 1,635.50
  4. Step 4: Simplify right side
    3,826.76x = 9,388,980.27
  5. Step 5: Solve for x
    x = 9,388,980.27/3,826.76
  6. Step 6: Final answer
    x = 2,453.51

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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.