Home / 3,450.05-5,175.84-1,258.77

Finding the Fourth Proportional to 3,450.05, 5,175.84 and 1,258.77

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Solution

The fourth proportional to 3,450.05, 5,175.84 and 1,258.77 is: 1,888.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.05 : 5,175.84 = 1,258.77 : x
  2. Step 2: Convert to fraction form
    3,450.05/5,175.84 = 1,258.77/x
  3. Step 3: Cross multiply
    3,450.05x = 5,175.84 × 1,258.77
  4. Step 4: Simplify right side
    3,450.05x = 6,515,212.71
  5. Step 5: Solve for x
    x = 6,515,212.71/3,450.05
  6. Step 6: Final answer
    x = 1,888.44

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1.5x scale

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.