Home / 1,609.02-2,414.89-635.80

Finding the Fourth Proportional to 1,609.02, 2,414.89 and 635.80

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Solution

The fourth proportional to 1,609.02, 2,414.89 and 635.80 is: 954.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609.02 : 2,414.89 = 635.80 : x
  2. Step 2: Convert to fraction form
    1,609.02/2,414.89 = 635.80/x
  3. Step 3: Cross multiply
    1,609.02x = 2,414.89 × 635.80
  4. Step 4: Simplify right side
    1,609.02x = 1,535,390.88
  5. Step 5: Solve for x
    x = 1,535,390.88/1,609.02
  6. Step 6: Final answer
    x = 954.24

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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.