Home / 3,239.94-4,861.12-1,159.86

Finding the Fourth Proportional to 3,239.94, 4,861.12 and 1,159.86

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Solution

The fourth proportional to 3,239.94, 4,861.12 and 1,159.86 is: 1,740.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,239.94 : 4,861.12 = 1,159.86 : x
  2. Step 2: Convert to fraction form
    3,239.94/4,861.12 = 1,159.86/x
  3. Step 3: Cross multiply
    3,239.94x = 4,861.12 × 1,159.86
  4. Step 4: Simplify right side
    3,239.94x = 5,638,218.64
  5. Step 5: Solve for x
    x = 5,638,218.64/3,239.94
  6. Step 6: Final answer
    x = 1,740.22

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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.