Home / 2,161.08-2,983.73-1,662.84

Finding the Fourth Proportional to 2,161.08, 2,983.73 and 1,662.84

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Solution

The fourth proportional to 2,161.08, 2,983.73 and 1,662.84 is: 2,295.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161.08 : 2,983.73 = 1,662.84 : x
  2. Step 2: Convert to fraction form
    2,161.08/2,983.73 = 1,662.84/x
  3. Step 3: Cross multiply
    2,161.08x = 2,983.73 × 1,662.84
  4. Step 4: Simplify right side
    2,161.08x = 4,961,457.28
  5. Step 5: Solve for x
    x = 4,961,457.28/2,161.08
  6. Step 6: Final answer
    x = 2,295.82

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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.