Home / 3,114.21-4,672.14-1,359.36

Finding the Fourth Proportional to 3,114.21, 4,672.14 and 1,359.36

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Solution

The fourth proportional to 3,114.21, 4,672.14 and 1,359.36 is: 2,039.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.21 : 4,672.14 = 1,359.36 : x
  2. Step 2: Convert to fraction form
    3,114.21/4,672.14 = 1,359.36/x
  3. Step 3: Cross multiply
    3,114.21x = 4,672.14 × 1,359.36
  4. Step 4: Simplify right side
    3,114.21x = 6,351,120.23
  5. Step 5: Solve for x
    x = 6,351,120.23/3,114.21
  6. Step 6: Final answer
    x = 2,039.40

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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.