Home / 3,264.59-4,897.29-1,620.69

Finding the Fourth Proportional to 3,264.59, 4,897.29 and 1,620.69

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Solution

The fourth proportional to 3,264.59, 4,897.29 and 1,620.69 is: 2,431.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,264.59 : 4,897.29 = 1,620.69 : x
  2. Step 2: Convert to fraction form
    3,264.59/4,897.29 = 1,620.69/x
  3. Step 3: Cross multiply
    3,264.59x = 4,897.29 × 1,620.69
  4. Step 4: Simplify right side
    3,264.59x = 7,936,988.93
  5. Step 5: Solve for x
    x = 7,936,988.93/3,264.59
  6. Step 6: Final answer
    x = 2,431.24

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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.