Home / 3,159.44-4,738.94-1,309.86

Finding the Fourth Proportional to 3,159.44, 4,738.94 and 1,309.86

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Solution

The fourth proportional to 3,159.44, 4,738.94 and 1,309.86 is: 1,964.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.44 : 4,738.94 = 1,309.86 : x
  2. Step 2: Convert to fraction form
    3,159.44/4,738.94 = 1,309.86/x
  3. Step 3: Cross multiply
    3,159.44x = 4,738.94 × 1,309.86
  4. Step 4: Simplify right side
    3,159.44x = 6,207,347.95
  5. Step 5: Solve for x
    x = 6,207,347.95/3,159.44
  6. Step 6: Final answer
    x = 1,964.70

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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.