Home / 2,162.24-2,982.73-1,445.66

Finding the Fourth Proportional to 2,162.24, 2,982.73 and 1,445.66

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Solution

The fourth proportional to 2,162.24, 2,982.73 and 1,445.66 is: 1,994.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,162.24 : 2,982.73 = 1,445.66 : x
  2. Step 2: Convert to fraction form
    2,162.24/2,982.73 = 1,445.66/x
  3. Step 3: Cross multiply
    2,162.24x = 2,982.73 × 1,445.66
  4. Step 4: Simplify right side
    2,162.24x = 4,311,997.81
  5. Step 5: Solve for x
    x = 4,311,997.81/2,162.24
  6. Step 6: Final answer
    x = 1,994.23

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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.