Home / 3,945.04-5,919.72-2,964.40

Finding the Fourth Proportional to 3,945.04, 5,919.72 and 2,964.40

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Solution

The fourth proportional to 3,945.04, 5,919.72 and 2,964.40 is: 4,448.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945.04 : 5,919.72 = 2,964.40 : x
  2. Step 2: Convert to fraction form
    3,945.04/5,919.72 = 2,964.40/x
  3. Step 3: Cross multiply
    3,945.04x = 5,919.72 × 2,964.40
  4. Step 4: Simplify right side
    3,945.04x = 17,548,417.97
  5. Step 5: Solve for x
    x = 17,548,417.97/3,945.04
  6. Step 6: Final answer
    x = 4,448.22

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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.