Home / 3,082.56-4,623.36-1,133.28

Finding the Fourth Proportional to 3,082.56, 4,623.36 and 1,133.28

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Solution

The fourth proportional to 3,082.56, 4,623.36 and 1,133.28 is: 1,699.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,082.56 : 4,623.36 = 1,133.28 : x
  2. Step 2: Convert to fraction form
    3,082.56/4,623.36 = 1,133.28/x
  3. Step 3: Cross multiply
    3,082.56x = 4,623.36 × 1,133.28
  4. Step 4: Simplify right side
    3,082.56x = 5,239,561.42
  5. Step 5: Solve for x
    x = 5,239,561.42/3,082.56
  6. Step 6: Final answer
    x = 1,699.74

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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.