Home / 3,905.34-5,859.69-2,175.18

Finding the Fourth Proportional to 3,905.34, 5,859.69 and 2,175.18

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Solution

The fourth proportional to 3,905.34, 5,859.69 and 2,175.18 is: 3,263.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,905.34 : 5,859.69 = 2,175.18 : x
  2. Step 2: Convert to fraction form
    3,905.34/5,859.69 = 2,175.18/x
  3. Step 3: Cross multiply
    3,905.34x = 5,859.69 × 2,175.18
  4. Step 4: Simplify right side
    3,905.34x = 12,745,880.49
  5. Step 5: Solve for x
    x = 12,745,880.49/3,905.34
  6. Step 6: Final answer
    x = 3,263.71

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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.