Home / 2,529.77-3,795.92-1,418.50

Finding the Fourth Proportional to 2,529.77, 3,795.92 and 1,418.50

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Solution

The fourth proportional to 2,529.77, 3,795.92 and 1,418.50 is: 2,128.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,529.77 : 3,795.92 = 1,418.50 : x
  2. Step 2: Convert to fraction form
    2,529.77/3,795.92 = 1,418.50/x
  3. Step 3: Cross multiply
    2,529.77x = 3,795.92 × 1,418.50
  4. Step 4: Simplify right side
    2,529.77x = 5,384,486.45
  5. Step 5: Solve for x
    x = 5,384,486.45/2,529.77
  6. Step 6: Final answer
    x = 2,128.45

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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.