Home / 2,546.40-3,816.36-1,966.44

Finding the Fourth Proportional to 2,546.40, 3,816.36 and 1,966.44

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Solution

The fourth proportional to 2,546.40, 3,816.36 and 1,966.44 is: 2,947.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,546.40 : 3,816.36 = 1,966.44 : x
  2. Step 2: Convert to fraction form
    2,546.40/3,816.36 = 1,966.44/x
  3. Step 3: Cross multiply
    2,546.40x = 3,816.36 × 1,966.44
  4. Step 4: Simplify right side
    2,546.40x = 7,504,642.96
  5. Step 5: Solve for x
    x = 7,504,642.96/2,546.40
  6. Step 6: Final answer
    x = 2,947.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.