Home / 3,391.29-4,675.39-2,899.22

Finding the Fourth Proportional to 3,391.29, 4,675.39 and 2,899.22

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Solution

The fourth proportional to 3,391.29, 4,675.39 and 2,899.22 is: 3,996.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.29 : 4,675.39 = 2,899.22 : x
  2. Step 2: Convert to fraction form
    3,391.29/4,675.39 = 2,899.22/x
  3. Step 3: Cross multiply
    3,391.29x = 4,675.39 × 2,899.22
  4. Step 4: Simplify right side
    3,391.29x = 13,554,953.57
  5. Step 5: Solve for x
    x = 13,554,953.57/3,391.29
  6. Step 6: Final answer
    x = 3,996.99

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1.5x scale

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.