Home / 1,841.32-2,760.90-1,110.43

Finding the Fourth Proportional to 1,841.32, 2,760.90 and 1,110.43

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Solution

The fourth proportional to 1,841.32, 2,760.90 and 1,110.43 is: 1,664.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,841.32 : 2,760.90 = 1,110.43 : x
  2. Step 2: Convert to fraction form
    1,841.32/2,760.90 = 1,110.43/x
  3. Step 3: Cross multiply
    1,841.32x = 2,760.90 × 1,110.43
  4. Step 4: Simplify right side
    1,841.32x = 3,065,786.19
  5. Step 5: Solve for x
    x = 3,065,786.19/1,841.32
  6. Step 6: Final answer
    x = 1,664.99

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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.