Home / 2,699.52-4,044.24-2,120.64

Finding the Fourth Proportional to 2,699.52, 4,044.24 and 2,120.64

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Solution

The fourth proportional to 2,699.52, 4,044.24 and 2,120.64 is: 3,177.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,699.52 : 4,044.24 = 2,120.64 : x
  2. Step 2: Convert to fraction form
    2,699.52/4,044.24 = 2,120.64/x
  3. Step 3: Cross multiply
    2,699.52x = 4,044.24 × 2,120.64
  4. Step 4: Simplify right side
    2,699.52x = 8,576,377.11
  5. Step 5: Solve for x
    x = 8,576,377.11/2,699.52
  6. Step 6: Final answer
    x = 3,177.00

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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.