Home / 3,197.05-4,411.91-1,780.75

Finding the Fourth Proportional to 3,197.05, 4,411.91 and 1,780.75

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Solution

The fourth proportional to 3,197.05, 4,411.91 and 1,780.75 is: 2,457.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,197.05 : 4,411.91 = 1,780.75 : x
  2. Step 2: Convert to fraction form
    3,197.05/4,411.91 = 1,780.75/x
  3. Step 3: Cross multiply
    3,197.05x = 4,411.91 × 1,780.75
  4. Step 4: Simplify right side
    3,197.05x = 7,856,512.02
  5. Step 5: Solve for x
    x = 7,856,512.02/3,197.05
  6. Step 6: Final answer
    x = 2,457.43

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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.