Home / 3,428.46-4,731.30-1,856.57

Finding the Fourth Proportional to 3,428.46, 4,731.30 and 1,856.57

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Solution

The fourth proportional to 3,428.46, 4,731.30 and 1,856.57 is: 2,562.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428.46 : 4,731.30 = 1,856.57 : x
  2. Step 2: Convert to fraction form
    3,428.46/4,731.30 = 1,856.57/x
  3. Step 3: Cross multiply
    3,428.46x = 4,731.30 × 1,856.57
  4. Step 4: Simplify right side
    3,428.46x = 8,783,965.98
  5. Step 5: Solve for x
    x = 8,783,965.98/3,428.46
  6. Step 6: Final answer
    x = 2,562.07

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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.