Home / 2,245.24-3,098.60-1,301.28

Finding the Fourth Proportional to 2,245.24, 3,098.60 and 1,301.28

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Solution

The fourth proportional to 2,245.24, 3,098.60 and 1,301.28 is: 1,795.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,245.24 : 3,098.60 = 1,301.28 : x
  2. Step 2: Convert to fraction form
    2,245.24/3,098.60 = 1,301.28/x
  3. Step 3: Cross multiply
    2,245.24x = 3,098.60 × 1,301.28
  4. Step 4: Simplify right side
    2,245.24x = 4,032,146.21
  5. Step 5: Solve for x
    x = 4,032,146.21/2,245.24
  6. Step 6: Final answer
    x = 1,795.86

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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.