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Finding the Fourth Proportional to 3,451, 4,762.08 and 1,958.98

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Solution

The fourth proportional to 3,451, 4,762.08 and 1,958.98 is: 2,703.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451 : 4,762.08 = 1,958.98 : x
  2. Step 2: Convert to fraction form
    3,451/4,762.08 = 1,958.98/x
  3. Step 3: Cross multiply
    3,451x = 4,762.08 × 1,958.98
  4. Step 4: Simplify right side
    3,451x = 9,328,819.48
  5. Step 5: Solve for x
    x = 9,328,819.48/3,451
  6. Step 6: Final answer
    x = 2,703.22

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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.