Home / 3,124.26-4,684.14-1,479.90

Finding the Fourth Proportional to 3,124.26, 4,684.14 and 1,479.90

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Solution

The fourth proportional to 3,124.26, 4,684.14 and 1,479.90 is: 2,218.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.26 : 4,684.14 = 1,479.90 : x
  2. Step 2: Convert to fraction form
    3,124.26/4,684.14 = 1,479.90/x
  3. Step 3: Cross multiply
    3,124.26x = 4,684.14 × 1,479.90
  4. Step 4: Simplify right side
    3,124.26x = 6,932,058.79
  5. Step 5: Solve for x
    x = 6,932,058.79/3,124.26
  6. Step 6: Final answer
    x = 2,218.78

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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.