Home / 3,151.14-4,724.66-1,507.64

Finding the Fourth Proportional to 3,151.14, 4,724.66 and 1,507.64

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Solution

The fourth proportional to 3,151.14, 4,724.66 and 1,507.64 is: 2,260.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.14 : 4,724.66 = 1,507.64 : x
  2. Step 2: Convert to fraction form
    3,151.14/4,724.66 = 1,507.64/x
  3. Step 3: Cross multiply
    3,151.14x = 4,724.66 × 1,507.64
  4. Step 4: Simplify right side
    3,151.14x = 7,123,086.40
  5. Step 5: Solve for x
    x = 7,123,086.40/3,151.14
  6. Step 6: Final answer
    x = 2,260.48

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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.