Home / 3,929.58-5,892.80-1,736.76

Finding the Fourth Proportional to 3,929.58, 5,892.80 and 1,736.76

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Solution

The fourth proportional to 3,929.58, 5,892.80 and 1,736.76 is: 2,604.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929.58 : 5,892.80 = 1,736.76 : x
  2. Step 2: Convert to fraction form
    3,929.58/5,892.80 = 1,736.76/x
  3. Step 3: Cross multiply
    3,929.58x = 5,892.80 × 1,736.76
  4. Step 4: Simplify right side
    3,929.58x = 10,234,379.33
  5. Step 5: Solve for x
    x = 10,234,379.33/3,929.58
  6. Step 6: Final answer
    x = 2,604.45

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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.