Home / 3,952.89-5,454.88-2,184.21

Finding the Fourth Proportional to 3,952.89, 5,454.88 and 2,184.21

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Solution

The fourth proportional to 3,952.89, 5,454.88 and 2,184.21 is: 3,014.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,952.89 : 5,454.88 = 2,184.21 : x
  2. Step 2: Convert to fraction form
    3,952.89/5,454.88 = 2,184.21/x
  3. Step 3: Cross multiply
    3,952.89x = 5,454.88 × 2,184.21
  4. Step 4: Simplify right side
    3,952.89x = 11,914,603.44
  5. Step 5: Solve for x
    x = 11,914,603.44/3,952.89
  6. Step 6: Final answer
    x = 3,014.15

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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.