Home / 3,068.28-4,234.95-1,809.54

Finding the Fourth Proportional to 3,068.28, 4,234.95 and 1,809.54

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Solution

The fourth proportional to 3,068.28, 4,234.95 and 1,809.54 is: 2,497.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,068.28 : 4,234.95 = 1,809.54 : x
  2. Step 2: Convert to fraction form
    3,068.28/4,234.95 = 1,809.54/x
  3. Step 3: Cross multiply
    3,068.28x = 4,234.95 × 1,809.54
  4. Step 4: Simplify right side
    3,068.28x = 7,663,311.42
  5. Step 5: Solve for x
    x = 7,663,311.42/3,068.28
  6. Step 6: Final answer
    x = 2,497.59

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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.