Home / 3,857.02-5,780.97-1,775.27

Finding the Fourth Proportional to 3,857.02, 5,780.97 and 1,775.27

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Solution

The fourth proportional to 3,857.02, 5,780.97 and 1,775.27 is: 2,660.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,857.02 : 5,780.97 = 1,775.27 : x
  2. Step 2: Convert to fraction form
    3,857.02/5,780.97 = 1,775.27/x
  3. Step 3: Cross multiply
    3,857.02x = 5,780.97 × 1,775.27
  4. Step 4: Simplify right side
    3,857.02x = 10,262,764.55
  5. Step 5: Solve for x
    x = 10,262,764.55/3,857.02
  6. Step 6: Final answer
    x = 2,660.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.