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Finding the Fourth Proportional to 2,891.62, 4,337.43 and 1,734.94

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Solution

The fourth proportional to 2,891.62, 4,337.43 and 1,734.94 is: 2,602.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891.62 : 4,337.43 = 1,734.94 : x
  2. Step 2: Convert to fraction form
    2,891.62/4,337.43 = 1,734.94/x
  3. Step 3: Cross multiply
    2,891.62x = 4,337.43 × 1,734.94
  4. Step 4: Simplify right side
    2,891.62x = 7,525,169.96
  5. Step 5: Solve for x
    x = 7,525,169.96/2,891.62
  6. Step 6: Final answer
    x = 2,602.41

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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.