Home / 2,930.63-4,044.26-2,185.22

Finding the Fourth Proportional to 2,930.63, 4,044.26 and 2,185.22

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Solution

The fourth proportional to 2,930.63, 4,044.26 and 2,185.22 is: 3,015.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.63 : 4,044.26 = 2,185.22 : x
  2. Step 2: Convert to fraction form
    2,930.63/4,044.26 = 2,185.22/x
  3. Step 3: Cross multiply
    2,930.63x = 4,044.26 × 2,185.22
  4. Step 4: Simplify right side
    2,930.63x = 8,837,613.41
  5. Step 5: Solve for x
    x = 8,837,613.41/2,930.63
  6. Step 6: Final answer
    x = 3,015.61

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1.5x scale

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.