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Finding the Fourth Proportional to 3,651, 5,039.58 and 2,392.86

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Solution

The fourth proportional to 3,651, 5,039.58 and 2,392.86 is: 3,302.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,651 : 5,039.58 = 2,392.86 : x
  2. Step 2: Convert to fraction form
    3,651/5,039.58 = 2,392.86/x
  3. Step 3: Cross multiply
    3,651x = 5,039.58 × 2,392.86
  4. Step 4: Simplify right side
    3,651x = 12,059,009.40
  5. Step 5: Solve for x
    x = 12,059,009.40/3,651
  6. Step 6: Final answer
    x = 3,302.93

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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.