Home / 3,991.32-5,989.14-2,846.52

Finding the Fourth Proportional to 3,991.32, 5,989.14 and 2,846.52

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Solution

The fourth proportional to 3,991.32, 5,989.14 and 2,846.52 is: 4,271.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,991.32 : 5,989.14 = 2,846.52 : x
  2. Step 2: Convert to fraction form
    3,991.32/5,989.14 = 2,846.52/x
  3. Step 3: Cross multiply
    3,991.32x = 5,989.14 × 2,846.52
  4. Step 4: Simplify right side
    3,991.32x = 17,048,206.79
  5. Step 5: Solve for x
    x = 17,048,206.79/3,991.32
  6. Step 6: Final answer
    x = 4,271.32

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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.