Home / 1,993.45-2,752.67-1,904.37

Finding the Fourth Proportional to 1,993.45, 2,752.67 and 1,904.37

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Solution

The fourth proportional to 1,993.45, 2,752.67 and 1,904.37 is: 2,629.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993.45 : 2,752.67 = 1,904.37 : x
  2. Step 2: Convert to fraction form
    1,993.45/2,752.67 = 1,904.37/x
  3. Step 3: Cross multiply
    1,993.45x = 2,752.67 × 1,904.37
  4. Step 4: Simplify right side
    1,993.45x = 5,242,102.17
  5. Step 5: Solve for x
    x = 5,242,102.17/1,993.45
  6. Step 6: Final answer
    x = 2,629.66

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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.