Home / 3,873.60-5,345.28-2,676.96

Finding the Fourth Proportional to 3,873.60, 5,345.28 and 2,676.96

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Solution

The fourth proportional to 3,873.60, 5,345.28 and 2,676.96 is: 3,694.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,873.60 : 5,345.28 = 2,676.96 : x
  2. Step 2: Convert to fraction form
    3,873.60/5,345.28 = 2,676.96/x
  3. Step 3: Cross multiply
    3,873.60x = 5,345.28 × 2,676.96
  4. Step 4: Simplify right side
    3,873.60x = 14,309,100.75
  5. Step 5: Solve for x
    x = 14,309,100.75/3,873.60
  6. Step 6: Final answer
    x = 3,694.01

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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.