Home / 3,989.47-5,982.21-2,324.16

Finding the Fourth Proportional to 3,989.47, 5,982.21 and 2,324.16

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Solution

The fourth proportional to 3,989.47, 5,982.21 and 2,324.16 is: 3,485.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989.47 : 5,982.21 = 2,324.16 : x
  2. Step 2: Convert to fraction form
    3,989.47/5,982.21 = 2,324.16/x
  3. Step 3: Cross multiply
    3,989.47x = 5,982.21 × 2,324.16
  4. Step 4: Simplify right side
    3,989.47x = 13,903,613.19
  5. Step 5: Solve for x
    x = 13,903,613.19/3,989.47
  6. Step 6: Final answer
    x = 3,485.08

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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.