Home / 3,264.14-4,897.89-1,620.65

Finding the Fourth Proportional to 3,264.14, 4,897.89 and 1,620.65

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Solution

The fourth proportional to 3,264.14, 4,897.89 and 1,620.65 is: 2,431.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,264.14 : 4,897.89 = 1,620.65 : x
  2. Step 2: Convert to fraction form
    3,264.14/4,897.89 = 1,620.65/x
  3. Step 3: Cross multiply
    3,264.14x = 4,897.89 × 1,620.65
  4. Step 4: Simplify right side
    3,264.14x = 7,937,732.84
  5. Step 5: Solve for x
    x = 7,937,732.84/3,264.14
  6. Step 6: Final answer
    x = 2,431.80

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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.