Home / 4,234.80-6,347.64-1,767.76

Finding the Fourth Proportional to 4,234.80, 6,347.64 and 1,767.76

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Solution

The fourth proportional to 4,234.80, 6,347.64 and 1,767.76 is: 2,649.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,234.80 : 6,347.64 = 1,767.76 : x
  2. Step 2: Convert to fraction form
    4,234.80/6,347.64 = 1,767.76/x
  3. Step 3: Cross multiply
    4,234.80x = 6,347.64 × 1,767.76
  4. Step 4: Simplify right side
    4,234.80x = 11,221,104.09
  5. Step 5: Solve for x
    x = 11,221,104.09/4,234.80
  6. Step 6: Final answer
    x = 2,649.74

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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.