Home / 3,286.76-4,533.22-3,085.16

Finding the Fourth Proportional to 3,286.76, 4,533.22 and 3,085.16

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Solution

The fourth proportional to 3,286.76, 4,533.22 and 3,085.16 is: 4,255.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.76 : 4,533.22 = 3,085.16 : x
  2. Step 2: Convert to fraction form
    3,286.76/4,533.22 = 3,085.16/x
  3. Step 3: Cross multiply
    3,286.76x = 4,533.22 × 3,085.16
  4. Step 4: Simplify right side
    3,286.76x = 13,985,709.02
  5. Step 5: Solve for x
    x = 13,985,709.02/3,286.76
  6. Step 6: Final answer
    x = 4,255.17

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Double 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.