Home / 2,692.12-4,034.92-1,047.84

Finding the Fourth Proportional to 2,692.12, 4,034.92 and 1,047.84

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Solution

The fourth proportional to 2,692.12, 4,034.92 and 1,047.84 is: 1,570.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,692.12 : 4,034.92 = 1,047.84 : x
  2. Step 2: Convert to fraction form
    2,692.12/4,034.92 = 1,047.84/x
  3. Step 3: Cross multiply
    2,692.12x = 4,034.92 × 1,047.84
  4. Step 4: Simplify right side
    2,692.12x = 4,227,950.57
  5. Step 5: Solve for x
    x = 4,227,950.57/2,692.12
  6. Step 6: Final answer
    x = 1,570.49

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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.