Home / 3,018.61-4,528.52-1,786.90

Finding the Fourth Proportional to 3,018.61, 4,528.52 and 1,786.90

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Solution

The fourth proportional to 3,018.61, 4,528.52 and 1,786.90 is: 2,680.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.61 : 4,528.52 = 1,786.90 : x
  2. Step 2: Convert to fraction form
    3,018.61/4,528.52 = 1,786.90/x
  3. Step 3: Cross multiply
    3,018.61x = 4,528.52 × 1,786.90
  4. Step 4: Simplify right side
    3,018.61x = 8,092,012.39
  5. Step 5: Solve for x
    x = 8,092,012.39/3,018.61
  6. Step 6: Final answer
    x = 2,680.71

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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.