Home / 3,158.54-4,735.78-1,310.93

Finding the Fourth Proportional to 3,158.54, 4,735.78 and 1,310.93

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Solution

The fourth proportional to 3,158.54, 4,735.78 and 1,310.93 is: 1,965.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.54 : 4,735.78 = 1,310.93 : x
  2. Step 2: Convert to fraction form
    3,158.54/4,735.78 = 1,310.93/x
  3. Step 3: Cross multiply
    3,158.54x = 4,735.78 × 1,310.93
  4. Step 4: Simplify right side
    3,158.54x = 6,208,245.84
  5. Step 5: Solve for x
    x = 6,208,245.84/3,158.54
  6. Step 6: Final answer
    x = 1,965.55

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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.