Home / 3,068.58-4,234.50-1,889.76

Finding the Fourth Proportional to 3,068.58, 4,234.50 and 1,889.76

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Solution

The fourth proportional to 3,068.58, 4,234.50 and 1,889.76 is: 2,607.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,068.58 : 4,234.50 = 1,889.76 : x
  2. Step 2: Convert to fraction form
    3,068.58/4,234.50 = 1,889.76/x
  3. Step 3: Cross multiply
    3,068.58x = 4,234.50 × 1,889.76
  4. Step 4: Simplify right side
    3,068.58x = 8,002,188.72
  5. Step 5: Solve for x
    x = 8,002,188.72/3,068.58
  6. Step 6: Final answer
    x = 2,607.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.