Home / 2,558.36-3,529.89-1,961.45

Finding the Fourth Proportional to 2,558.36, 3,529.89 and 1,961.45

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Solution

The fourth proportional to 2,558.36, 3,529.89 and 1,961.45 is: 2,706.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,558.36 : 3,529.89 = 1,961.45 : x
  2. Step 2: Convert to fraction form
    2,558.36/3,529.89 = 1,961.45/x
  3. Step 3: Cross multiply
    2,558.36x = 3,529.89 × 1,961.45
  4. Step 4: Simplify right side
    2,558.36x = 6,923,692.93
  5. Step 5: Solve for x
    x = 6,923,692.93/2,558.36
  6. Step 6: Final answer
    x = 2,706.30

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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.