Home / 1,698.21-2,546.10-1,040.22

Finding the Fourth Proportional to 1,698.21, 2,546.10 and 1,040.22

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Solution

The fourth proportional to 1,698.21, 2,546.10 and 1,040.22 is: 1,559.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,698.21 : 2,546.10 = 1,040.22 : x
  2. Step 2: Convert to fraction form
    1,698.21/2,546.10 = 1,040.22/x
  3. Step 3: Cross multiply
    1,698.21x = 2,546.10 × 1,040.22
  4. Step 4: Simplify right side
    1,698.21x = 2,648,504.14
  5. Step 5: Solve for x
    x = 2,648,504.14/1,698.21
  6. Step 6: Final answer
    x = 1,559.59

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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.