Home / 1,822.91-2,516.09-1,123.88

Finding the Fourth Proportional to 1,822.91, 2,516.09 and 1,123.88

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Solution

The fourth proportional to 1,822.91, 2,516.09 and 1,123.88 is: 1,551.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,822.91 : 2,516.09 = 1,123.88 : x
  2. Step 2: Convert to fraction form
    1,822.91/2,516.09 = 1,123.88/x
  3. Step 3: Cross multiply
    1,822.91x = 2,516.09 × 1,123.88
  4. Step 4: Simplify right side
    1,822.91x = 2,827,765.03
  5. Step 5: Solve for x
    x = 2,827,765.03/1,822.91
  6. Step 6: Final answer
    x = 1,551.24

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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.