Home / 2,311.73-3,190.14-1,303.43

Finding the Fourth Proportional to 2,311.73, 3,190.14 and 1,303.43

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Solution

The fourth proportional to 2,311.73, 3,190.14 and 1,303.43 is: 1,798.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311.73 : 3,190.14 = 1,303.43 : x
  2. Step 2: Convert to fraction form
    2,311.73/3,190.14 = 1,303.43/x
  3. Step 3: Cross multiply
    2,311.73x = 3,190.14 × 1,303.43
  4. Step 4: Simplify right side
    2,311.73x = 4,158,124.18
  5. Step 5: Solve for x
    x = 4,158,124.18/2,311.73
  6. Step 6: Final answer
    x = 1,798.71

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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.