Home / 3,236.07-4,857.75-1,289.64

Finding the Fourth Proportional to 3,236.07, 4,857.75 and 1,289.64

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Solution

The fourth proportional to 3,236.07, 4,857.75 and 1,289.64 is: 1,935.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,236.07 : 4,857.75 = 1,289.64 : x
  2. Step 2: Convert to fraction form
    3,236.07/4,857.75 = 1,289.64/x
  3. Step 3: Cross multiply
    3,236.07x = 4,857.75 × 1,289.64
  4. Step 4: Simplify right side
    3,236.07x = 6,264,748.71
  5. Step 5: Solve for x
    x = 6,264,748.71/3,236.07
  6. Step 6: Final answer
    x = 1,935.91

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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.