Home / 2,928-4,385.44-1,626.56

Finding the Fourth Proportional to 2,928, 4,385.44 and 1,626.56

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Solution

The fourth proportional to 2,928, 4,385.44 and 1,626.56 is: 2,436.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928 : 4,385.44 = 1,626.56 : x
  2. Step 2: Convert to fraction form
    2,928/4,385.44 = 1,626.56/x
  3. Step 3: Cross multiply
    2,928x = 4,385.44 × 1,626.56
  4. Step 4: Simplify right side
    2,928x = 7,133,181.29
  5. Step 5: Solve for x
    x = 7,133,181.29/2,928
  6. Step 6: Final answer
    x = 2,436.20

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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.