Home / 2,135.10-3,196.88-1,106.94

Finding the Fourth Proportional to 2,135.10, 3,196.88 and 1,106.94

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Solution

The fourth proportional to 2,135.10, 3,196.88 and 1,106.94 is: 1,657.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135.10 : 3,196.88 = 1,106.94 : x
  2. Step 2: Convert to fraction form
    2,135.10/3,196.88 = 1,106.94/x
  3. Step 3: Cross multiply
    2,135.10x = 3,196.88 × 1,106.94
  4. Step 4: Simplify right side
    2,135.10x = 3,538,754.35
  5. Step 5: Solve for x
    x = 3,538,754.35/2,135.10
  6. Step 6: Final answer
    x = 1,657.42

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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.