Home / 3,450.50-5,173.68-1,258.46

Finding the Fourth Proportional to 3,450.50, 5,173.68 and 1,258.46

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Solution

The fourth proportional to 3,450.50, 5,173.68 and 1,258.46 is: 1,886.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.50 : 5,173.68 = 1,258.46 : x
  2. Step 2: Convert to fraction form
    3,450.50/5,173.68 = 1,258.46/x
  3. Step 3: Cross multiply
    3,450.50x = 5,173.68 × 1,258.46
  4. Step 4: Simplify right side
    3,450.50x = 6,510,869.33
  5. Step 5: Solve for x
    x = 6,510,869.33/3,450.50
  6. Step 6: Final answer
    x = 1,886.94

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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.