Home / 3,975.15-5,958.39-2,589.45

Finding the Fourth Proportional to 3,975.15, 5,958.39 and 2,589.45

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Solution

The fourth proportional to 3,975.15, 5,958.39 and 2,589.45 is: 3,881.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975.15 : 5,958.39 = 2,589.45 : x
  2. Step 2: Convert to fraction form
    3,975.15/5,958.39 = 2,589.45/x
  3. Step 3: Cross multiply
    3,975.15x = 5,958.39 × 2,589.45
  4. Step 4: Simplify right side
    3,975.15x = 15,428,952.99
  5. Step 5: Solve for x
    x = 15,428,952.99/3,975.15
  6. Step 6: Final answer
    x = 3,881.35

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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.