Home / 3,428.53-4,731.33-1,856.61

Finding the Fourth Proportional to 3,428.53, 4,731.33 and 1,856.61

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Solution

The fourth proportional to 3,428.53, 4,731.33 and 1,856.61 is: 2,562.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428.53 : 4,731.33 = 1,856.61 : x
  2. Step 2: Convert to fraction form
    3,428.53/4,731.33 = 1,856.61/x
  3. Step 3: Cross multiply
    3,428.53x = 4,731.33 × 1,856.61
  4. Step 4: Simplify right side
    3,428.53x = 8,784,234.59
  5. Step 5: Solve for x
    x = 8,784,234.59/3,428.53
  6. Step 6: Final answer
    x = 2,562.10

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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.