Home / 3,176.64-4,383.68-1,760.32

Finding the Fourth Proportional to 3,176.64, 4,383.68 and 1,760.32

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Solution

The fourth proportional to 3,176.64, 4,383.68 and 1,760.32 is: 2,429.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176.64 : 4,383.68 = 1,760.32 : x
  2. Step 2: Convert to fraction form
    3,176.64/4,383.68 = 1,760.32/x
  3. Step 3: Cross multiply
    3,176.64x = 4,383.68 × 1,760.32
  4. Step 4: Simplify right side
    3,176.64x = 7,716,679.58
  5. Step 5: Solve for x
    x = 7,716,679.58/3,176.64
  6. Step 6: Final answer
    x = 2,429.20

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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.