Home / 1,826.29-2,519.70-1,080.51

Finding the Fourth Proportional to 1,826.29, 2,519.70 and 1,080.51

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Solution

The fourth proportional to 1,826.29, 2,519.70 and 1,080.51 is: 1,490.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,826.29 : 2,519.70 = 1,080.51 : x
  2. Step 2: Convert to fraction form
    1,826.29/2,519.70 = 1,080.51/x
  3. Step 3: Cross multiply
    1,826.29x = 2,519.70 × 1,080.51
  4. Step 4: Simplify right side
    1,826.29x = 2,722,561.05
  5. Step 5: Solve for x
    x = 2,722,561.05/1,826.29
  6. Step 6: Final answer
    x = 1,490.76

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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.