Home / 2,252.85-3,379.28-1,640.46

Finding the Fourth Proportional to 2,252.85, 3,379.28 and 1,640.46

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Solution

The fourth proportional to 2,252.85, 3,379.28 and 1,640.46 is: 2,460.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,252.85 : 3,379.28 = 1,640.46 : x
  2. Step 2: Convert to fraction form
    2,252.85/3,379.28 = 1,640.46/x
  3. Step 3: Cross multiply
    2,252.85x = 3,379.28 × 1,640.46
  4. Step 4: Simplify right side
    2,252.85x = 5,543,565.14
  5. Step 5: Solve for x
    x = 5,543,565.14/2,252.85
  6. Step 6: Final answer
    x = 2,460.68

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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.