Home / 2,982.56-4,106.40-2,589.44

Finding the Fourth Proportional to 2,982.56, 4,106.40 and 2,589.44

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Solution

The fourth proportional to 2,982.56, 4,106.40 and 2,589.44 is: 3,565.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982.56 : 4,106.40 = 2,589.44 : x
  2. Step 2: Convert to fraction form
    2,982.56/4,106.40 = 2,589.44/x
  3. Step 3: Cross multiply
    2,982.56x = 4,106.40 × 2,589.44
  4. Step 4: Simplify right side
    2,982.56x = 10,633,276.42
  5. Step 5: Solve for x
    x = 10,633,276.42/2,982.56
  6. Step 6: Final answer
    x = 3,565.15

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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.