Home / 2,764.70-4,147.34-1,303.46

Finding the Fourth Proportional to 2,764.70, 4,147.34 and 1,303.46

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Solution

The fourth proportional to 2,764.70, 4,147.34 and 1,303.46 is: 1,955.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,764.70 : 4,147.34 = 1,303.46 : x
  2. Step 2: Convert to fraction form
    2,764.70/4,147.34 = 1,303.46/x
  3. Step 3: Cross multiply
    2,764.70x = 4,147.34 × 1,303.46
  4. Step 4: Simplify right side
    2,764.70x = 5,405,891.80
  5. Step 5: Solve for x
    x = 5,405,891.80/2,764.70
  6. Step 6: Final answer
    x = 1,955.33

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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.