Home / 2,489.16-3,435.30-1,867.08

Finding the Fourth Proportional to 2,489.16, 3,435.30 and 1,867.08

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Solution

The fourth proportional to 2,489.16, 3,435.30 and 1,867.08 is: 2,576.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,489.16 : 3,435.30 = 1,867.08 : x
  2. Step 2: Convert to fraction form
    2,489.16/3,435.30 = 1,867.08/x
  3. Step 3: Cross multiply
    2,489.16x = 3,435.30 × 1,867.08
  4. Step 4: Simplify right side
    2,489.16x = 6,413,979.92
  5. Step 5: Solve for x
    x = 6,413,979.92/2,489.16
  6. Step 6: Final answer
    x = 2,576.76

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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.