Home / 4,084.43-5,635.92-2,315.69

Finding the Fourth Proportional to 4,084.43, 5,635.92 and 2,315.69

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Solution

The fourth proportional to 4,084.43, 5,635.92 and 2,315.69 is: 3,195.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,084.43 : 5,635.92 = 2,315.69 : x
  2. Step 2: Convert to fraction form
    4,084.43/5,635.92 = 2,315.69/x
  3. Step 3: Cross multiply
    4,084.43x = 5,635.92 × 2,315.69
  4. Step 4: Simplify right side
    4,084.43x = 13,051,043.58
  5. Step 5: Solve for x
    x = 13,051,043.58/4,084.43
  6. Step 6: Final answer
    x = 3,195.32

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Half scale
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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.