Home / 1,692.06-2,538.70-1,042.04

Finding the Fourth Proportional to 1,692.06, 2,538.70 and 1,042.04

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Solution

The fourth proportional to 1,692.06, 2,538.70 and 1,042.04 is: 1,563.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692.06 : 2,538.70 = 1,042.04 : x
  2. Step 2: Convert to fraction form
    1,692.06/2,538.70 = 1,042.04/x
  3. Step 3: Cross multiply
    1,692.06x = 2,538.70 × 1,042.04
  4. Step 4: Simplify right side
    1,692.06x = 2,645,426.95
  5. Step 5: Solve for x
    x = 2,645,426.95/1,692.06
  6. Step 6: Final answer
    x = 1,563.44

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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.