Home / 1,747.38-2,620.80-1,651

Finding the Fourth Proportional to 1,747.38, 2,620.80 and 1,651

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Solution

The fourth proportional to 1,747.38, 2,620.80 and 1,651 is: 2,476.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747.38 : 2,620.80 = 1,651 : x
  2. Step 2: Convert to fraction form
    1,747.38/2,620.80 = 1,651/x
  3. Step 3: Cross multiply
    1,747.38x = 2,620.80 × 1,651
  4. Step 4: Simplify right side
    1,747.38x = 4,326,940.80
  5. Step 5: Solve for x
    x = 4,326,940.80/1,747.38
  6. Step 6: Final answer
    x = 2,476.24

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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.