Home / 3,934.37-5,428.49-2,589.84

Finding the Fourth Proportional to 3,934.37, 5,428.49 and 2,589.84

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Solution

The fourth proportional to 3,934.37, 5,428.49 and 2,589.84 is: 3,573.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934.37 : 5,428.49 = 2,589.84 : x
  2. Step 2: Convert to fraction form
    3,934.37/5,428.49 = 2,589.84/x
  3. Step 3: Cross multiply
    3,934.37x = 5,428.49 × 2,589.84
  4. Step 4: Simplify right side
    3,934.37x = 14,058,907.59
  5. Step 5: Solve for x
    x = 14,058,907.59/3,934.37
  6. Step 6: Final answer
    x = 3,573.35

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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.