Home / 1,827.39-2,747.16-1,692.12

Finding the Fourth Proportional to 1,827.39, 2,747.16 and 1,692.12

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Solution

The fourth proportional to 1,827.39, 2,747.16 and 1,692.12 is: 2,543.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,827.39 : 2,747.16 = 1,692.12 : x
  2. Step 2: Convert to fraction form
    1,827.39/2,747.16 = 1,692.12/x
  3. Step 3: Cross multiply
    1,827.39x = 2,747.16 × 1,692.12
  4. Step 4: Simplify right side
    1,827.39x = 4,648,524.38
  5. Step 5: Solve for x
    x = 4,648,524.38/1,827.39
  6. Step 6: Final answer
    x = 2,543.81

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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.