Home / 2,489.44-3,434.13-2,017.87

Finding the Fourth Proportional to 2,489.44, 3,434.13 and 2,017.87

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Solution

The fourth proportional to 2,489.44, 3,434.13 and 2,017.87 is: 2,783.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,489.44 : 3,434.13 = 2,017.87 : x
  2. Step 2: Convert to fraction form
    2,489.44/3,434.13 = 2,017.87/x
  3. Step 3: Cross multiply
    2,489.44x = 3,434.13 × 2,017.87
  4. Step 4: Simplify right side
    2,489.44x = 6,929,619.32
  5. Step 5: Solve for x
    x = 6,929,619.32/2,489.44
  6. Step 6: Final answer
    x = 2,783.61

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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.