Home / 2,692.29-4,039.60-1,048.26

Finding the Fourth Proportional to 2,692.29, 4,039.60 and 1,048.26

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Solution

The fourth proportional to 2,692.29, 4,039.60 and 1,048.26 is: 1,572.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,692.29 : 4,039.60 = 1,048.26 : x
  2. Step 2: Convert to fraction form
    2,692.29/4,039.60 = 1,048.26/x
  3. Step 3: Cross multiply
    2,692.29x = 4,039.60 × 1,048.26
  4. Step 4: Simplify right side
    2,692.29x = 4,234,563.82
  5. Step 5: Solve for x
    x = 4,234,563.82/2,692.29
  6. Step 6: Final answer
    x = 1,572.85

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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.