Home / 1,479.62-2,220.20-1,394.52

Finding the Fourth Proportional to 1,479.62, 2,220.20 and 1,394.52

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Solution

The fourth proportional to 1,479.62, 2,220.20 and 1,394.52 is: 2,092.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479.62 : 2,220.20 = 1,394.52 : x
  2. Step 2: Convert to fraction form
    1,479.62/2,220.20 = 1,394.52/x
  3. Step 3: Cross multiply
    1,479.62x = 2,220.20 × 1,394.52
  4. Step 4: Simplify right side
    1,479.62x = 3,096,106.33
  5. Step 5: Solve for x
    x = 3,096,106.33/1,479.62
  6. Step 6: Final answer
    x = 2,092.51

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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.