Home / 3,314.45-4,971.67-1,672.37

Finding the Fourth Proportional to 3,314.45, 4,971.67 and 1,672.37

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Solution

The fourth proportional to 3,314.45, 4,971.67 and 1,672.37 is: 2,508.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,314.45 : 4,971.67 = 1,672.37 : x
  2. Step 2: Convert to fraction form
    3,314.45/4,971.67 = 1,672.37/x
  3. Step 3: Cross multiply
    3,314.45x = 4,971.67 × 1,672.37
  4. Step 4: Simplify right side
    3,314.45x = 8,314,471.76
  5. Step 5: Solve for x
    x = 8,314,471.76/3,314.45
  6. Step 6: Final answer
    x = 2,508.55

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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.