Home / 3,264.45-4,898.36-1,620.96

Finding the Fourth Proportional to 3,264.45, 4,898.36 and 1,620.96

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Solution

The fourth proportional to 3,264.45, 4,898.36 and 1,620.96 is: 2,432.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,264.45 : 4,898.36 = 1,620.96 : x
  2. Step 2: Convert to fraction form
    3,264.45/4,898.36 = 1,620.96/x
  3. Step 3: Cross multiply
    3,264.45x = 4,898.36 × 1,620.96
  4. Step 4: Simplify right side
    3,264.45x = 7,940,045.63
  5. Step 5: Solve for x
    x = 7,940,045.63/3,264.45
  6. Step 6: Final answer
    x = 2,432.28

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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.