Home / 2,455.72-3,687.12-2,336.75

Finding the Fourth Proportional to 2,455.72, 3,687.12 and 2,336.75

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Solution

The fourth proportional to 2,455.72, 3,687.12 and 2,336.75 is: 3,508.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.72 : 3,687.12 = 2,336.75 : x
  2. Step 2: Convert to fraction form
    2,455.72/3,687.12 = 2,336.75/x
  3. Step 3: Cross multiply
    2,455.72x = 3,687.12 × 2,336.75
  4. Step 4: Simplify right side
    2,455.72x = 8,615,873.05
  5. Step 5: Solve for x
    x = 8,615,873.05/2,455.72
  6. Step 6: Final answer
    x = 3,508.50

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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.