Home / 3,450.06-5,172.12-1,258.34

Finding the Fourth Proportional to 3,450.06, 5,172.12 and 1,258.34

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Solution

The fourth proportional to 3,450.06, 5,172.12 and 1,258.34 is: 1,886.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.06 : 5,172.12 = 1,258.34 : x
  2. Step 2: Convert to fraction form
    3,450.06/5,172.12 = 1,258.34/x
  3. Step 3: Cross multiply
    3,450.06x = 5,172.12 × 1,258.34
  4. Step 4: Simplify right side
    3,450.06x = 6,508,259.62
  5. Step 5: Solve for x
    x = 6,508,259.62/3,450.06
  6. Step 6: Final answer
    x = 1,886.42

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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.