Home / 2,491.14-3,438.01-1,607.43

Finding the Fourth Proportional to 2,491.14, 3,438.01 and 1,607.43

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Solution

The fourth proportional to 2,491.14, 3,438.01 and 1,607.43 is: 2,218.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,491.14 : 3,438.01 = 1,607.43 : x
  2. Step 2: Convert to fraction form
    2,491.14/3,438.01 = 1,607.43/x
  3. Step 3: Cross multiply
    2,491.14x = 3,438.01 × 1,607.43
  4. Step 4: Simplify right side
    2,491.14x = 5,526,360.41
  5. Step 5: Solve for x
    x = 5,526,360.41/2,491.14
  6. Step 6: Final answer
    x = 2,218.41

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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.