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Finding the Fourth Proportional to 2,692.99, 3,716.26 and 1,514.06

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Solution

The fourth proportional to 2,692.99, 3,716.26 and 1,514.06 is: 2,089.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,692.99 : 3,716.26 = 1,514.06 : x
  2. Step 2: Convert to fraction form
    2,692.99/3,716.26 = 1,514.06/x
  3. Step 3: Cross multiply
    2,692.99x = 3,716.26 × 1,514.06
  4. Step 4: Simplify right side
    2,692.99x = 5,626,640.62
  5. Step 5: Solve for x
    x = 5,626,640.62/2,692.99
  6. Step 6: Final answer
    x = 2,089.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.