Home / 2,161.96-2,981.00-1,846.26

Finding the Fourth Proportional to 2,161.96, 2,981.00 and 1,846.26

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Solution

The fourth proportional to 2,161.96, 2,981.00 and 1,846.26 is: 2,545.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161.96 : 2,981.00 = 1,846.26 : x
  2. Step 2: Convert to fraction form
    2,161.96/2,981.00 = 1,846.26/x
  3. Step 3: Cross multiply
    2,161.96x = 2,981.00 × 1,846.26
  4. Step 4: Simplify right side
    2,161.96x = 5,503,705.68
  5. Step 5: Solve for x
    x = 5,503,705.68/2,161.96
  6. Step 6: Final answer
    x = 2,545.70

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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.