Home / 2,321.45-3,479.13-2,012.03

Finding the Fourth Proportional to 2,321.45, 3,479.13 and 2,012.03

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Solution

The fourth proportional to 2,321.45, 3,479.13 and 2,012.03 is: 3,015.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321.45 : 3,479.13 = 2,012.03 : x
  2. Step 2: Convert to fraction form
    2,321.45/3,479.13 = 2,012.03/x
  3. Step 3: Cross multiply
    2,321.45x = 3,479.13 × 2,012.03
  4. Step 4: Simplify right side
    2,321.45x = 7,000,086.48
  5. Step 5: Solve for x
    x = 7,000,086.48/2,321.45
  6. Step 6: Final answer
    x = 3,015.40

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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.