Home / 3,450.13-5,172.06-1,258.36

Finding the Fourth Proportional to 3,450.13, 5,172.06 and 1,258.36

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Solution

The fourth proportional to 3,450.13, 5,172.06 and 1,258.36 is: 1,886.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.13 : 5,172.06 = 1,258.36 : x
  2. Step 2: Convert to fraction form
    3,450.13/5,172.06 = 1,258.36/x
  3. Step 3: Cross multiply
    3,450.13x = 5,172.06 × 1,258.36
  4. Step 4: Simplify right side
    3,450.13x = 6,508,313.42
  5. Step 5: Solve for x
    x = 6,508,313.42/3,450.13
  6. Step 6: Final answer
    x = 1,886.40

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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.