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Finding the Fourth Proportional to 2,759.84, 3,808.50 and 1,564.94

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Solution

The fourth proportional to 2,759.84, 3,808.50 and 1,564.94 is: 2,159.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,759.84 : 3,808.50 = 1,564.94 : x
  2. Step 2: Convert to fraction form
    2,759.84/3,808.50 = 1,564.94/x
  3. Step 3: Cross multiply
    2,759.84x = 3,808.50 × 1,564.94
  4. Step 4: Simplify right side
    2,759.84x = 5,960,073.99
  5. Step 5: Solve for x
    x = 5,960,073.99/2,759.84
  6. Step 6: Final answer
    x = 2,159.57

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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.