Home / 1,961.37-2,709.59-1,544.49

Finding the Fourth Proportional to 1,961.37, 2,709.59 and 1,544.49

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Solution

The fourth proportional to 1,961.37, 2,709.59 and 1,544.49 is: 2,133.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,961.37 : 2,709.59 = 1,544.49 : x
  2. Step 2: Convert to fraction form
    1,961.37/2,709.59 = 1,544.49/x
  3. Step 3: Cross multiply
    1,961.37x = 2,709.59 × 1,544.49
  4. Step 4: Simplify right side
    1,961.37x = 4,184,926.94
  5. Step 5: Solve for x
    x = 4,184,926.94/1,961.37
  6. Step 6: Final answer
    x = 2,133.68

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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.