Home / 2,899.94-4,002.42-1,721.09

Finding the Fourth Proportional to 2,899.94, 4,002.42 and 1,721.09

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Solution

The fourth proportional to 2,899.94, 4,002.42 and 1,721.09 is: 2,375.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,899.94 : 4,002.42 = 1,721.09 : x
  2. Step 2: Convert to fraction form
    2,899.94/4,002.42 = 1,721.09/x
  3. Step 3: Cross multiply
    2,899.94x = 4,002.42 × 1,721.09
  4. Step 4: Simplify right side
    2,899.94x = 6,888,525.04
  5. Step 5: Solve for x
    x = 6,888,525.04/2,899.94
  6. Step 6: Final answer
    x = 2,375.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.