Home / 3,621.34-4,997.28-2,223.82

Finding the Fourth Proportional to 3,621.34, 4,997.28 and 2,223.82

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Solution

The fourth proportional to 3,621.34, 4,997.28 and 2,223.82 is: 3,068.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.34 : 4,997.28 = 2,223.82 : x
  2. Step 2: Convert to fraction form
    3,621.34/4,997.28 = 2,223.82/x
  3. Step 3: Cross multiply
    3,621.34x = 4,997.28 × 2,223.82
  4. Step 4: Simplify right side
    3,621.34x = 11,113,053.29
  5. Step 5: Solve for x
    x = 11,113,053.29/3,621.34
  6. Step 6: Final answer
    x = 3,068.77

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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.