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Finding the Fourth Proportional to 1,966.84, 2,712.36 and 1,468.96

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Solution

The fourth proportional to 1,966.84, 2,712.36 and 1,468.96 is: 2,025.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966.84 : 2,712.36 = 1,468.96 : x
  2. Step 2: Convert to fraction form
    1,966.84/2,712.36 = 1,468.96/x
  3. Step 3: Cross multiply
    1,966.84x = 2,712.36 × 1,468.96
  4. Step 4: Simplify right side
    1,966.84x = 3,984,348.35
  5. Step 5: Solve for x
    x = 3,984,348.35/1,966.84
  6. Step 6: Final answer
    x = 2,025.76

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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.