Home / 4,156.25-5,732.87-2,661.80

Finding the Fourth Proportional to 4,156.25, 5,732.87 and 2,661.80

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Solution

The fourth proportional to 4,156.25, 5,732.87 and 2,661.80 is: 3,671.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,156.25 : 5,732.87 = 2,661.80 : x
  2. Step 2: Convert to fraction form
    4,156.25/5,732.87 = 2,661.80/x
  3. Step 3: Cross multiply
    4,156.25x = 5,732.87 × 2,661.80
  4. Step 4: Simplify right side
    4,156.25x = 15,259,711.39
  5. Step 5: Solve for x
    x = 15,259,711.39/4,156.25
  6. Step 6: Final answer
    x = 3,671.51

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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.