Home / 3,137.21-4,702.76-1,493.32

Finding the Fourth Proportional to 3,137.21, 4,702.76 and 1,493.32

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Solution

The fourth proportional to 3,137.21, 4,702.76 and 1,493.32 is: 2,238.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137.21 : 4,702.76 = 1,493.32 : x
  2. Step 2: Convert to fraction form
    3,137.21/4,702.76 = 1,493.32/x
  3. Step 3: Cross multiply
    3,137.21x = 4,702.76 × 1,493.32
  4. Step 4: Simplify right side
    3,137.21x = 7,022,694.58
  5. Step 5: Solve for x
    x = 7,022,694.58/3,137.21
  6. Step 6: Final answer
    x = 2,238.52

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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.