Home / 3,851.10-5,773.19-1,385.34

Finding the Fourth Proportional to 3,851.10, 5,773.19 and 1,385.34

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Solution

The fourth proportional to 3,851.10, 5,773.19 and 1,385.34 is: 2,076.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851.10 : 5,773.19 = 1,385.34 : x
  2. Step 2: Convert to fraction form
    3,851.10/5,773.19 = 1,385.34/x
  3. Step 3: Cross multiply
    3,851.10x = 5,773.19 × 1,385.34
  4. Step 4: Simplify right side
    3,851.10x = 7,997,824.11
  5. Step 5: Solve for x
    x = 7,997,824.11/3,851.10
  6. Step 6: Final answer
    x = 2,076.76

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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.