Home / 3,128.24-4,684.80-2,392.22

Finding the Fourth Proportional to 3,128.24, 4,684.80 and 2,392.22

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Solution

The fourth proportional to 3,128.24, 4,684.80 and 2,392.22 is: 3,582.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128.24 : 4,684.80 = 2,392.22 : x
  2. Step 2: Convert to fraction form
    3,128.24/4,684.80 = 2,392.22/x
  3. Step 3: Cross multiply
    3,128.24x = 4,684.80 × 2,392.22
  4. Step 4: Simplify right side
    3,128.24x = 11,207,072.26
  5. Step 5: Solve for x
    x = 11,207,072.26/3,128.24
  6. Step 6: Final answer
    x = 3,582.55

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1.5x scale

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.