Home / 3,947.54-5,919.08-1,968.75

Finding the Fourth Proportional to 3,947.54, 5,919.08 and 1,968.75

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Solution

The fourth proportional to 3,947.54, 5,919.08 and 1,968.75 is: 2,952.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947.54 : 5,919.08 = 1,968.75 : x
  2. Step 2: Convert to fraction form
    3,947.54/5,919.08 = 1,968.75/x
  3. Step 3: Cross multiply
    3,947.54x = 5,919.08 × 1,968.75
  4. Step 4: Simplify right side
    3,947.54x = 11,653,178.91
  5. Step 5: Solve for x
    x = 11,653,178.91/3,947.54
  6. Step 6: Final answer
    x = 2,952.01

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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.