Home / 3,989.48-5,984.00-1,216.08

Finding the Fourth Proportional to 3,989.48, 5,984.00 and 1,216.08

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Solution

The fourth proportional to 3,989.48, 5,984.00 and 1,216.08 is: 1,824.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989.48 : 5,984.00 = 1,216.08 : x
  2. Step 2: Convert to fraction form
    3,989.48/5,984.00 = 1,216.08/x
  3. Step 3: Cross multiply
    3,989.48x = 5,984.00 × 1,216.08
  4. Step 4: Simplify right side
    3,989.48x = 7,277,025.76
  5. Step 5: Solve for x
    x = 7,277,025.76/3,989.48
  6. Step 6: Final answer
    x = 1,824.06

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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.