Home / 1,491.48-2,237.76-1,429.38

Finding the Fourth Proportional to 1,491.48, 2,237.76 and 1,429.38

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Solution

The fourth proportional to 1,491.48, 2,237.76 and 1,429.38 is: 2,144.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491.48 : 2,237.76 = 1,429.38 : x
  2. Step 2: Convert to fraction form
    1,491.48/2,237.76 = 1,429.38/x
  3. Step 3: Cross multiply
    1,491.48x = 2,237.76 × 1,429.38
  4. Step 4: Simplify right side
    1,491.48x = 3,198,609.39
  5. Step 5: Solve for x
    x = 3,198,609.39/1,491.48
  6. Step 6: Final answer
    x = 2,144.59

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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.