Home / 1,636.24-2,434.80-1,630.80

Finding the Fourth Proportional to 1,636.24, 2,434.80 and 1,630.80

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Solution

The fourth proportional to 1,636.24, 2,434.80 and 1,630.80 is: 2,426.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636.24 : 2,434.80 = 1,630.80 : x
  2. Step 2: Convert to fraction form
    1,636.24/2,434.80 = 1,630.80/x
  3. Step 3: Cross multiply
    1,636.24x = 2,434.80 × 1,630.80
  4. Step 4: Simplify right side
    1,636.24x = 3,970,671.84
  5. Step 5: Solve for x
    x = 3,970,671.84/1,636.24
  6. Step 6: Final answer
    x = 2,426.71

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.