Home / 2,529.30-3,785.84-1,356.38

Finding the Fourth Proportional to 2,529.30, 3,785.84 and 1,356.38

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Solution

The fourth proportional to 2,529.30, 3,785.84 and 1,356.38 is: 2,030.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,529.30 : 3,785.84 = 1,356.38 : x
  2. Step 2: Convert to fraction form
    2,529.30/3,785.84 = 1,356.38/x
  3. Step 3: Cross multiply
    2,529.30x = 3,785.84 × 1,356.38
  4. Step 4: Simplify right side
    2,529.30x = 5,135,037.66
  5. Step 5: Solve for x
    x = 5,135,037.66/2,529.30
  6. Step 6: Final answer
    x = 2,030.22

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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.