Home / 3,621.48-4,997.49-2,028

Finding the Fourth Proportional to 3,621.48, 4,997.49 and 2,028

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Solution

The fourth proportional to 3,621.48, 4,997.49 and 2,028 is: 2,798.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.48 : 4,997.49 = 2,028 : x
  2. Step 2: Convert to fraction form
    3,621.48/4,997.49 = 2,028/x
  3. Step 3: Cross multiply
    3,621.48x = 4,997.49 × 2,028
  4. Step 4: Simplify right side
    3,621.48x = 10,134,909.72
  5. Step 5: Solve for x
    x = 10,134,909.72/3,621.48
  6. Step 6: Final answer
    x = 2,798.55

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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.