Home / 3,146.31-4,719.74-1,171.53

Finding the Fourth Proportional to 3,146.31, 4,719.74 and 1,171.53

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Solution

The fourth proportional to 3,146.31, 4,719.74 and 1,171.53 is: 1,757.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146.31 : 4,719.74 = 1,171.53 : x
  2. Step 2: Convert to fraction form
    3,146.31/4,719.74 = 1,171.53/x
  3. Step 3: Cross multiply
    3,146.31x = 4,719.74 × 1,171.53
  4. Step 4: Simplify right side
    3,146.31x = 5,529,311.14
  5. Step 5: Solve for x
    x = 5,529,311.14/3,146.31
  6. Step 6: Final answer
    x = 1,757.40

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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.