Home / 3,958.32-5,936.28-1,325.15

Finding the Fourth Proportional to 3,958.32, 5,936.28 and 1,325.15

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Solution

The fourth proportional to 3,958.32, 5,936.28 and 1,325.15 is: 1,987.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,958.32 : 5,936.28 = 1,325.15 : x
  2. Step 2: Convert to fraction form
    3,958.32/5,936.28 = 1,325.15/x
  3. Step 3: Cross multiply
    3,958.32x = 5,936.28 × 1,325.15
  4. Step 4: Simplify right side
    3,958.32x = 7,866,461.44
  5. Step 5: Solve for x
    x = 7,866,461.44/3,958.32
  6. Step 6: Final answer
    x = 1,987.32

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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.