Home / 2,270.40-3,402.36-1,692.96

Finding the Fourth Proportional to 2,270.40, 3,402.36 and 1,692.96

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Solution

The fourth proportional to 2,270.40, 3,402.36 and 1,692.96 is: 2,537.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270.40 : 3,402.36 = 1,692.96 : x
  2. Step 2: Convert to fraction form
    2,270.40/3,402.36 = 1,692.96/x
  3. Step 3: Cross multiply
    2,270.40x = 3,402.36 × 1,692.96
  4. Step 4: Simplify right side
    2,270.40x = 5,760,059.39
  5. Step 5: Solve for x
    x = 5,760,059.39/2,270.40
  6. Step 6: Final answer
    x = 2,537.02

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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.