Home / 1,692.31-2,334.23-1,103.64

Finding the Fourth Proportional to 1,692.31, 2,334.23 and 1,103.64

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Solution

The fourth proportional to 1,692.31, 2,334.23 and 1,103.64 is: 1,522.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692.31 : 2,334.23 = 1,103.64 : x
  2. Step 2: Convert to fraction form
    1,692.31/2,334.23 = 1,103.64/x
  3. Step 3: Cross multiply
    1,692.31x = 2,334.23 × 1,103.64
  4. Step 4: Simplify right side
    1,692.31x = 2,576,148.22
  5. Step 5: Solve for x
    x = 2,576,148.22/1,692.31
  6. Step 6: Final answer
    x = 1,522.27

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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.