Home / 3,851.12-5,777.28-1,773.16

Finding the Fourth Proportional to 3,851.12, 5,777.28 and 1,773.16

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Solution

The fourth proportional to 3,851.12, 5,777.28 and 1,773.16 is: 2,660.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851.12 : 5,777.28 = 1,773.16 : x
  2. Step 2: Convert to fraction form
    3,851.12/5,777.28 = 1,773.16/x
  3. Step 3: Cross multiply
    3,851.12x = 5,777.28 × 1,773.16
  4. Step 4: Simplify right side
    3,851.12x = 10,244,041.80
  5. Step 5: Solve for x
    x = 10,244,041.80/3,851.12
  6. Step 6: Final answer
    x = 2,660.02

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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.