Home / 4,201.34-6,300.18-1,278.96

Finding the Fourth Proportional to 4,201.34, 6,300.18 and 1,278.96

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Solution

The fourth proportional to 4,201.34, 6,300.18 and 1,278.96 is: 1,917.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,201.34 : 6,300.18 = 1,278.96 : x
  2. Step 2: Convert to fraction form
    4,201.34/6,300.18 = 1,278.96/x
  3. Step 3: Cross multiply
    4,201.34x = 6,300.18 × 1,278.96
  4. Step 4: Simplify right side
    4,201.34x = 8,057,678.21
  5. Step 5: Solve for x
    x = 8,057,678.21/4,201.34
  6. Step 6: Final answer
    x = 1,917.89

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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.