Home / 1,626.12-2,438.94-651.27

Finding the Fourth Proportional to 1,626.12, 2,438.94 and 651.27

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Solution

The fourth proportional to 1,626.12, 2,438.94 and 651.27 is: 976.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,626.12 : 2,438.94 = 651.27 : x
  2. Step 2: Convert to fraction form
    1,626.12/2,438.94 = 651.27/x
  3. Step 3: Cross multiply
    1,626.12x = 2,438.94 × 651.27
  4. Step 4: Simplify right side
    1,626.12x = 1,588,408.45
  5. Step 5: Solve for x
    x = 1,588,408.45/1,626.12
  6. Step 6: Final answer
    x = 976.81

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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.