Home / 3,176.27-4,383.48-1,917.63

Finding the Fourth Proportional to 3,176.27, 4,383.48 and 1,917.63

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Solution

The fourth proportional to 3,176.27, 4,383.48 and 1,917.63 is: 2,646.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176.27 : 4,383.48 = 1,917.63 : x
  2. Step 2: Convert to fraction form
    3,176.27/4,383.48 = 1,917.63/x
  3. Step 3: Cross multiply
    3,176.27x = 4,383.48 × 1,917.63
  4. Step 4: Simplify right side
    3,176.27x = 8,405,892.75
  5. Step 5: Solve for x
    x = 8,405,892.75/3,176.27
  6. Step 6: Final answer
    x = 2,646.47

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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.