Home / 4,081.64-5,635.05-2,961.50

Finding the Fourth Proportional to 4,081.64, 5,635.05 and 2,961.50

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Solution

The fourth proportional to 4,081.64, 5,635.05 and 2,961.50 is: 4,088.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.64 : 5,635.05 = 2,961.50 : x
  2. Step 2: Convert to fraction form
    4,081.64/5,635.05 = 2,961.50/x
  3. Step 3: Cross multiply
    4,081.64x = 5,635.05 × 2,961.50
  4. Step 4: Simplify right side
    4,081.64x = 16,688,200.58
  5. Step 5: Solve for x
    x = 16,688,200.58/4,081.64
  6. Step 6: Final answer
    x = 4,088.60

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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.