Home / 3,512.22-4,812.51-3,479.82

Finding the Fourth Proportional to 3,512.22, 4,812.51 and 3,479.82

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Solution

The fourth proportional to 3,512.22, 4,812.51 and 3,479.82 is: 4,768.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.22 : 4,812.51 = 3,479.82 : x
  2. Step 2: Convert to fraction form
    3,512.22/4,812.51 = 3,479.82/x
  3. Step 3: Cross multiply
    3,512.22x = 4,812.51 × 3,479.82
  4. Step 4: Simplify right side
    3,512.22x = 16,746,668.55
  5. Step 5: Solve for x
    x = 16,746,668.55/3,512.22
  6. Step 6: Final answer
    x = 4,768.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.