Home / 2,538.17-3,807.26-1,672.28

Finding the Fourth Proportional to 2,538.17, 3,807.26 and 1,672.28

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Solution

The fourth proportional to 2,538.17, 3,807.26 and 1,672.28 is: 2,508.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,538.17 : 3,807.26 = 1,672.28 : x
  2. Step 2: Convert to fraction form
    2,538.17/3,807.26 = 1,672.28/x
  3. Step 3: Cross multiply
    2,538.17x = 3,807.26 × 1,672.28
  4. Step 4: Simplify right side
    2,538.17x = 6,366,804.75
  5. Step 5: Solve for x
    x = 6,366,804.75/2,538.17
  6. Step 6: Final answer
    x = 2,508.42

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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.