Home / 1,634.19-2,451.70-479.94

Finding the Fourth Proportional to 1,634.19, 2,451.70 and 479.94

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Solution

The fourth proportional to 1,634.19, 2,451.70 and 479.94 is: 720.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,634.19 : 2,451.70 = 479.94 : x
  2. Step 2: Convert to fraction form
    1,634.19/2,451.70 = 479.94/x
  3. Step 3: Cross multiply
    1,634.19x = 2,451.70 × 479.94
  4. Step 4: Simplify right side
    1,634.19x = 1,176,667.70
  5. Step 5: Solve for x
    x = 1,176,667.70/1,634.19
  6. Step 6: Final answer
    x = 720.03

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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.