Home / 2,625.54-3,938.33-1,529.20

Finding the Fourth Proportional to 2,625.54, 3,938.33 and 1,529.20

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Solution

The fourth proportional to 2,625.54, 3,938.33 and 1,529.20 is: 2,293.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625.54 : 3,938.33 = 1,529.20 : x
  2. Step 2: Convert to fraction form
    2,625.54/3,938.33 = 1,529.20/x
  3. Step 3: Cross multiply
    2,625.54x = 3,938.33 × 1,529.20
  4. Step 4: Simplify right side
    2,625.54x = 6,022,494.24
  5. Step 5: Solve for x
    x = 6,022,494.24/2,625.54
  6. Step 6: Final answer
    x = 2,293.81

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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.