Home / 3,952.56-5,454.64-2,184.28

Finding the Fourth Proportional to 3,952.56, 5,454.64 and 2,184.28

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Solution

The fourth proportional to 3,952.56, 5,454.64 and 2,184.28 is: 3,014.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,952.56 : 5,454.64 = 2,184.28 : x
  2. Step 2: Convert to fraction form
    3,952.56/5,454.64 = 2,184.28/x
  3. Step 3: Cross multiply
    3,952.56x = 5,454.64 × 2,184.28
  4. Step 4: Simplify right side
    3,952.56x = 11,914,433.79
  5. Step 5: Solve for x
    x = 11,914,433.79/3,952.56
  6. Step 6: Final answer
    x = 3,014.36

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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.