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Finding the Fourth Proportional to 3,451.61, 4,762.98 and 1,879.67

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Solution

The fourth proportional to 3,451.61, 4,762.98 and 1,879.67 is: 2,593.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.61 : 4,762.98 = 1,879.67 : x
  2. Step 2: Convert to fraction form
    3,451.61/4,762.98 = 1,879.67/x
  3. Step 3: Cross multiply
    3,451.61x = 4,762.98 × 1,879.67
  4. Step 4: Simplify right side
    3,451.61x = 8,952,842.52
  5. Step 5: Solve for x
    x = 8,952,842.52/3,451.61
  6. Step 6: Final answer
    x = 2,593.81

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.