Home / 2,480.69-3,423.45-1,418.63

Finding the Fourth Proportional to 2,480.69, 3,423.45 and 1,418.63

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Solution

The fourth proportional to 2,480.69, 3,423.45 and 1,418.63 is: 1,957.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,480.69 : 3,423.45 = 1,418.63 : x
  2. Step 2: Convert to fraction form
    2,480.69/3,423.45 = 1,418.63/x
  3. Step 3: Cross multiply
    2,480.69x = 3,423.45 × 1,418.63
  4. Step 4: Simplify right side
    2,480.69x = 4,856,608.87
  5. Step 5: Solve for x
    x = 4,856,608.87/2,480.69
  6. Step 6: Final answer
    x = 1,957.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.