Home / 1,324.15-1,986.22-544.02

Finding the Fourth Proportional to 1,324.15, 1,986.22 and 544.02

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Solution

The fourth proportional to 1,324.15, 1,986.22 and 544.02 is: 816.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324.15 : 1,986.22 = 544.02 : x
  2. Step 2: Convert to fraction form
    1,324.15/1,986.22 = 544.02/x
  3. Step 3: Cross multiply
    1,324.15x = 1,986.22 × 544.02
  4. Step 4: Simplify right side
    1,324.15x = 1,080,533.47
  5. Step 5: Solve for x
    x = 1,080,533.47/1,324.15
  6. Step 6: Final answer
    x = 816.02

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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.