Home / 4,108.77-5,668.72-2,339.12

Finding the Fourth Proportional to 4,108.77, 5,668.72 and 2,339.12

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Solution

The fourth proportional to 4,108.77, 5,668.72 and 2,339.12 is: 3,227.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,108.77 : 5,668.72 = 2,339.12 : x
  2. Step 2: Convert to fraction form
    4,108.77/5,668.72 = 2,339.12/x
  3. Step 3: Cross multiply
    4,108.77x = 5,668.72 × 2,339.12
  4. Step 4: Simplify right side
    4,108.77x = 13,259,824.65
  5. Step 5: Solve for x
    x = 13,259,824.65/4,108.77
  6. Step 6: Final answer
    x = 3,227.20

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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.