Home / 3,551.51-5,327.27-2,786.87

Finding the Fourth Proportional to 3,551.51, 5,327.27 and 2,786.87

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Solution

The fourth proportional to 3,551.51, 5,327.27 and 2,786.87 is: 4,180.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.51 : 5,327.27 = 2,786.87 : x
  2. Step 2: Convert to fraction form
    3,551.51/5,327.27 = 2,786.87/x
  3. Step 3: Cross multiply
    3,551.51x = 5,327.27 × 2,786.87
  4. Step 4: Simplify right side
    3,551.51x = 14,846,368.37
  5. Step 5: Solve for x
    x = 14,846,368.37/3,551.51
  6. Step 6: Final answer
    x = 4,180.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.