Home / 3,272.76-4,516.32-1,856.34

Finding the Fourth Proportional to 3,272.76, 4,516.32 and 1,856.34

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Solution

The fourth proportional to 3,272.76, 4,516.32 and 1,856.34 is: 2,561.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,272.76 : 4,516.32 = 1,856.34 : x
  2. Step 2: Convert to fraction form
    3,272.76/4,516.32 = 1,856.34/x
  3. Step 3: Cross multiply
    3,272.76x = 4,516.32 × 1,856.34
  4. Step 4: Simplify right side
    3,272.76x = 8,383,825.47
  5. Step 5: Solve for x
    x = 8,383,825.47/3,272.76
  6. Step 6: Final answer
    x = 2,561.70

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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.