Home / 1,819.36-2,729.37-1,040.24

Finding the Fourth Proportional to 1,819.36, 2,729.37 and 1,040.24

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Solution

The fourth proportional to 1,819.36, 2,729.37 and 1,040.24 is: 1,560.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819.36 : 2,729.37 = 1,040.24 : x
  2. Step 2: Convert to fraction form
    1,819.36/2,729.37 = 1,040.24/x
  3. Step 3: Cross multiply
    1,819.36x = 2,729.37 × 1,040.24
  4. Step 4: Simplify right side
    1,819.36x = 2,839,199.85
  5. Step 5: Solve for x
    x = 2,839,199.85/1,819.36
  6. Step 6: Final answer
    x = 1,560.55

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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.