Home / 3,450.88-5,175.40-1,502.64

Finding the Fourth Proportional to 3,450.88, 5,175.40 and 1,502.64

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Solution

The fourth proportional to 3,450.88, 5,175.40 and 1,502.64 is: 2,253.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.88 : 5,175.40 = 1,502.64 : x
  2. Step 2: Convert to fraction form
    3,450.88/5,175.40 = 1,502.64/x
  3. Step 3: Cross multiply
    3,450.88x = 5,175.40 × 1,502.64
  4. Step 4: Simplify right side
    3,450.88x = 7,776,763.06
  5. Step 5: Solve for x
    x = 7,776,763.06/3,450.88
  6. Step 6: Final answer
    x = 2,253.56

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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.