Home / 2,491.35-3,438.03-1,372.26

Finding the Fourth Proportional to 2,491.35, 3,438.03 and 1,372.26

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Solution

The fourth proportional to 2,491.35, 3,438.03 and 1,372.26 is: 1,893.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,491.35 : 3,438.03 = 1,372.26 : x
  2. Step 2: Convert to fraction form
    2,491.35/3,438.03 = 1,372.26/x
  3. Step 3: Cross multiply
    2,491.35x = 3,438.03 × 1,372.26
  4. Step 4: Simplify right side
    2,491.35x = 4,717,871.05
  5. Step 5: Solve for x
    x = 4,717,871.05/2,491.35
  6. Step 6: Final answer
    x = 1,893.70

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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.