Home / 3,018.32-4,521.72-2,150

Finding the Fourth Proportional to 3,018.32, 4,521.72 and 2,150

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Solution

The fourth proportional to 3,018.32, 4,521.72 and 2,150 is: 3,220.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.32 : 4,521.72 = 2,150 : x
  2. Step 2: Convert to fraction form
    3,018.32/4,521.72 = 2,150/x
  3. Step 3: Cross multiply
    3,018.32x = 4,521.72 × 2,150
  4. Step 4: Simplify right side
    3,018.32x = 9,721,698
  5. Step 5: Solve for x
    x = 9,721,698/3,018.32
  6. Step 6: Final answer
    x = 3,220.90

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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.