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Finding the Fourth Proportional to 1,796.84, 2,695.17 and 701.40

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Solution

The fourth proportional to 1,796.84, 2,695.17 and 701.40 is: 1,052.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,796.84 : 2,695.17 = 701.40 : x
  2. Step 2: Convert to fraction form
    1,796.84/2,695.17 = 701.40/x
  3. Step 3: Cross multiply
    1,796.84x = 2,695.17 × 701.40
  4. Step 4: Simplify right side
    1,796.84x = 1,890,392.24
  5. Step 5: Solve for x
    x = 1,890,392.24/1,796.84
  6. Step 6: Final answer
    x = 1,052.07

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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.