Home / 1,645.21-2,463.82-1,487.26

Finding the Fourth Proportional to 1,645.21, 2,463.82 and 1,487.26

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Solution

The fourth proportional to 1,645.21, 2,463.82 and 1,487.26 is: 2,227.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645.21 : 2,463.82 = 1,487.26 : x
  2. Step 2: Convert to fraction form
    1,645.21/2,463.82 = 1,487.26/x
  3. Step 3: Cross multiply
    1,645.21x = 2,463.82 × 1,487.26
  4. Step 4: Simplify right side
    1,645.21x = 3,664,340.29
  5. Step 5: Solve for x
    x = 3,664,340.29/1,645.21
  6. Step 6: Final answer
    x = 2,227.28

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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.