Home / 3,952.12-5,451.78-2,460.28

Finding the Fourth Proportional to 3,952.12, 5,451.78 and 2,460.28

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Solution

The fourth proportional to 3,952.12, 5,451.78 and 2,460.28 is: 3,393.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,952.12 : 5,451.78 = 2,460.28 : x
  2. Step 2: Convert to fraction form
    3,952.12/5,451.78 = 2,460.28/x
  3. Step 3: Cross multiply
    3,952.12x = 5,451.78 × 2,460.28
  4. Step 4: Simplify right side
    3,952.12x = 13,412,905.30
  5. Step 5: Solve for x
    x = 13,412,905.30/3,952.12
  6. Step 6: Final answer
    x = 3,393.85

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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.