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Finding the Fourth Proportional to 2,690.21, 3,710.21 and 1,852.27

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Solution

The fourth proportional to 2,690.21, 3,710.21 and 1,852.27 is: 2,554.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690.21 : 3,710.21 = 1,852.27 : x
  2. Step 2: Convert to fraction form
    2,690.21/3,710.21 = 1,852.27/x
  3. Step 3: Cross multiply
    2,690.21x = 3,710.21 × 1,852.27
  4. Step 4: Simplify right side
    2,690.21x = 6,872,292.14
  5. Step 5: Solve for x
    x = 6,872,292.14/2,690.21
  6. Step 6: Final answer
    x = 2,554.55

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