Home / 4,201.54-6,302.59-1,279.88

Finding the Fourth Proportional to 4,201.54, 6,302.59 and 1,279.88

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Solution

The fourth proportional to 4,201.54, 6,302.59 and 1,279.88 is: 1,919.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,201.54 : 6,302.59 = 1,279.88 : x
  2. Step 2: Convert to fraction form
    4,201.54/6,302.59 = 1,279.88/x
  3. Step 3: Cross multiply
    4,201.54x = 6,302.59 × 1,279.88
  4. Step 4: Simplify right side
    4,201.54x = 8,066,558.89
  5. Step 5: Solve for x
    x = 8,066,558.89/4,201.54
  6. Step 6: Final answer
    x = 1,919.91

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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.