Home / 3,218.15-4,827.92-1,270.37

Finding the Fourth Proportional to 3,218.15, 4,827.92 and 1,270.37

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Solution

The fourth proportional to 3,218.15, 4,827.92 and 1,270.37 is: 1,905.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.15 : 4,827.92 = 1,270.37 : x
  2. Step 2: Convert to fraction form
    3,218.15/4,827.92 = 1,270.37/x
  3. Step 3: Cross multiply
    3,218.15x = 4,827.92 × 1,270.37
  4. Step 4: Simplify right side
    3,218.15x = 6,133,214.24
  5. Step 5: Solve for x
    x = 6,133,214.24/3,218.15
  6. Step 6: Final answer
    x = 1,905.82

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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.