Home / 2,651.37-3,979.11-1,835.35

Finding the Fourth Proportional to 2,651.37, 3,979.11 and 1,835.35

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Solution

The fourth proportional to 2,651.37, 3,979.11 and 1,835.35 is: 2,754.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,651.37 : 3,979.11 = 1,835.35 : x
  2. Step 2: Convert to fraction form
    2,651.37/3,979.11 = 1,835.35/x
  3. Step 3: Cross multiply
    2,651.37x = 3,979.11 × 1,835.35
  4. Step 4: Simplify right side
    2,651.37x = 7,303,059.54
  5. Step 5: Solve for x
    x = 7,303,059.54/2,651.37
  6. Step 6: Final answer
    x = 2,754.45

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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.