Home / 3,952.89-5,918.40-2,976.03

Finding the Fourth Proportional to 3,952.89, 5,918.40 and 2,976.03

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Solution

The fourth proportional to 3,952.89, 5,918.40 and 2,976.03 is: 4,455.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,952.89 : 5,918.40 = 2,976.03 : x
  2. Step 2: Convert to fraction form
    3,952.89/5,918.40 = 2,976.03/x
  3. Step 3: Cross multiply
    3,952.89x = 5,918.40 × 2,976.03
  4. Step 4: Simplify right side
    3,952.89x = 17,613,335.95
  5. Step 5: Solve for x
    x = 17,613,335.95/3,952.89
  6. Step 6: Final answer
    x = 4,455.81

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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.