Home / 2,434.35-3,651.21-1,390.97

Finding the Fourth Proportional to 2,434.35, 3,651.21 and 1,390.97

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Solution

The fourth proportional to 2,434.35, 3,651.21 and 1,390.97 is: 2,086.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,434.35 : 3,651.21 = 1,390.97 : x
  2. Step 2: Convert to fraction form
    2,434.35/3,651.21 = 1,390.97/x
  3. Step 3: Cross multiply
    2,434.35x = 3,651.21 × 1,390.97
  4. Step 4: Simplify right side
    2,434.35x = 5,078,732.70
  5. Step 5: Solve for x
    x = 5,078,732.70/2,434.35
  6. Step 6: Final answer
    x = 2,086.28

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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.