Home / 2,553.49-3,822.81-1,898.28

Finding the Fourth Proportional to 2,553.49, 3,822.81 and 1,898.28

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Solution

The fourth proportional to 2,553.49, 3,822.81 and 1,898.28 is: 2,841.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,553.49 : 3,822.81 = 1,898.28 : x
  2. Step 2: Convert to fraction form
    2,553.49/3,822.81 = 1,898.28/x
  3. Step 3: Cross multiply
    2,553.49x = 3,822.81 × 1,898.28
  4. Step 4: Simplify right side
    2,553.49x = 7,256,756.65
  5. Step 5: Solve for x
    x = 7,256,756.65/2,553.49
  6. Step 6: Final answer
    x = 2,841.90

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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.