Home / 1,491.09-2,232.81-1,447.31

Finding the Fourth Proportional to 1,491.09, 2,232.81 and 1,447.31

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Solution

The fourth proportional to 1,491.09, 2,232.81 and 1,447.31 is: 2,167.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491.09 : 2,232.81 = 1,447.31 : x
  2. Step 2: Convert to fraction form
    1,491.09/2,232.81 = 1,447.31/x
  3. Step 3: Cross multiply
    1,491.09x = 2,232.81 × 1,447.31
  4. Step 4: Simplify right side
    1,491.09x = 3,231,557.08
  5. Step 5: Solve for x
    x = 3,231,557.08/1,491.09
  6. Step 6: Final answer
    x = 2,167.24

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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.