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Finding the Fourth Proportional to 2,674.88, 4,008.08 and 1,794.14

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Solution

The fourth proportional to 2,674.88, 4,008.08 and 1,794.14 is: 2,688.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,674.88 : 4,008.08 = 1,794.14 : x
  2. Step 2: Convert to fraction form
    2,674.88/4,008.08 = 1,794.14/x
  3. Step 3: Cross multiply
    2,674.88x = 4,008.08 × 1,794.14
  4. Step 4: Simplify right side
    2,674.88x = 7,191,039.14
  5. Step 5: Solve for x
    x = 7,191,039.14/2,674.88
  6. Step 6: Final answer
    x = 2,688.36

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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.