Home / 3,106.23-4,659.30-1,257.30

Finding the Fourth Proportional to 3,106.23, 4,659.30 and 1,257.30

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Solution

The fourth proportional to 3,106.23, 4,659.30 and 1,257.30 is: 1,885.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,106.23 : 4,659.30 = 1,257.30 : x
  2. Step 2: Convert to fraction form
    3,106.23/4,659.30 = 1,257.30/x
  3. Step 3: Cross multiply
    3,106.23x = 4,659.30 × 1,257.30
  4. Step 4: Simplify right side
    3,106.23x = 5,858,137.89
  5. Step 5: Solve for x
    x = 5,858,137.89/3,106.23
  6. Step 6: Final answer
    x = 1,885.93

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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.