Home / 2,029.24-3,044.21-642.55

Finding the Fourth Proportional to 2,029.24, 3,044.21 and 642.55

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Solution

The fourth proportional to 2,029.24, 3,044.21 and 642.55 is: 963.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,029.24 : 3,044.21 = 642.55 : x
  2. Step 2: Convert to fraction form
    2,029.24/3,044.21 = 642.55/x
  3. Step 3: Cross multiply
    2,029.24x = 3,044.21 × 642.55
  4. Step 4: Simplify right side
    2,029.24x = 1,956,057.14
  5. Step 5: Solve for x
    x = 1,956,057.14/2,029.24
  6. Step 6: Final answer
    x = 963.94

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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.