Home / 2,318.37-3,199.52-1,434.68

Finding the Fourth Proportional to 2,318.37, 3,199.52 and 1,434.68

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Solution

The fourth proportional to 2,318.37, 3,199.52 and 1,434.68 is: 1,979.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.37 : 3,199.52 = 1,434.68 : x
  2. Step 2: Convert to fraction form
    2,318.37/3,199.52 = 1,434.68/x
  3. Step 3: Cross multiply
    2,318.37x = 3,199.52 × 1,434.68
  4. Step 4: Simplify right side
    2,318.37x = 4,590,293.56
  5. Step 5: Solve for x
    x = 4,590,293.56/2,318.37
  6. Step 6: Final answer
    x = 1,979.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.