Home / 2,318.99-3,198.54-1,601.45

Finding the Fourth Proportional to 2,318.99, 3,198.54 and 1,601.45

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Solution

The fourth proportional to 2,318.99, 3,198.54 and 1,601.45 is: 2,208.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.99 : 3,198.54 = 1,601.45 : x
  2. Step 2: Convert to fraction form
    2,318.99/3,198.54 = 1,601.45/x
  3. Step 3: Cross multiply
    2,318.99x = 3,198.54 × 1,601.45
  4. Step 4: Simplify right side
    2,318.99x = 5,122,296.02
  5. Step 5: Solve for x
    x = 5,122,296.02/2,318.99
  6. Step 6: Final answer
    x = 2,208.85

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1.5x scale

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.