Home / 2,954.80-4,076.08-2,395.92

Finding the Fourth Proportional to 2,954.80, 4,076.08 and 2,395.92

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Solution

The fourth proportional to 2,954.80, 4,076.08 and 2,395.92 is: 3,305.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,954.80 : 4,076.08 = 2,395.92 : x
  2. Step 2: Convert to fraction form
    2,954.80/4,076.08 = 2,395.92/x
  3. Step 3: Cross multiply
    2,954.80x = 4,076.08 × 2,395.92
  4. Step 4: Simplify right side
    2,954.80x = 9,765,961.59
  5. Step 5: Solve for x
    x = 9,765,961.59/2,954.80
  6. Step 6: Final answer
    x = 3,305.12

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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.