Home / 2,109.94-2,911.26-1,446.64

Finding the Fourth Proportional to 2,109.94, 2,911.26 and 1,446.64

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Solution

The fourth proportional to 2,109.94, 2,911.26 and 1,446.64 is: 1,996.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109.94 : 2,911.26 = 1,446.64 : x
  2. Step 2: Convert to fraction form
    2,109.94/2,911.26 = 1,446.64/x
  3. Step 3: Cross multiply
    2,109.94x = 2,911.26 × 1,446.64
  4. Step 4: Simplify right side
    2,109.94x = 4,211,545.17
  5. Step 5: Solve for x
    x = 4,211,545.17/2,109.94
  6. Step 6: Final answer
    x = 1,996.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.