Home / 2,491.31-3,437.99-1,372.26

Finding the Fourth Proportional to 2,491.31, 3,437.99 and 1,372.26

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Solution

The fourth proportional to 2,491.31, 3,437.99 and 1,372.26 is: 1,893.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,491.31 : 3,437.99 = 1,372.26 : x
  2. Step 2: Convert to fraction form
    2,491.31/3,437.99 = 1,372.26/x
  3. Step 3: Cross multiply
    2,491.31x = 3,437.99 × 1,372.26
  4. Step 4: Simplify right side
    2,491.31x = 4,717,809.30
  5. Step 5: Solve for x
    x = 4,717,809.30/2,491.31
  6. Step 6: Final answer
    x = 1,893.71

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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.