Home / 1,826.44-2,519.66-1,080.40

Finding the Fourth Proportional to 1,826.44, 2,519.66 and 1,080.40

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Solution

The fourth proportional to 1,826.44, 2,519.66 and 1,080.40 is: 1,490.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,826.44 : 2,519.66 = 1,080.40 : x
  2. Step 2: Convert to fraction form
    1,826.44/2,519.66 = 1,080.40/x
  3. Step 3: Cross multiply
    1,826.44x = 2,519.66 × 1,080.40
  4. Step 4: Simplify right side
    1,826.44x = 2,722,240.66
  5. Step 5: Solve for x
    x = 2,722,240.66/1,826.44
  6. Step 6: Final answer
    x = 1,490.46

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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.