Home / 3,197.32-4,412.19-1,780.96

Finding the Fourth Proportional to 3,197.32, 4,412.19 and 1,780.96

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Solution

The fourth proportional to 3,197.32, 4,412.19 and 1,780.96 is: 2,457.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,197.32 : 4,412.19 = 1,780.96 : x
  2. Step 2: Convert to fraction form
    3,197.32/4,412.19 = 1,780.96/x
  3. Step 3: Cross multiply
    3,197.32x = 4,412.19 × 1,780.96
  4. Step 4: Simplify right side
    3,197.32x = 7,857,933.90
  5. Step 5: Solve for x
    x = 7,857,933.90/3,197.32
  6. Step 6: Final answer
    x = 2,457.66

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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.