Home / 2,529.20-3,784.08-1,882.82

Finding the Fourth Proportional to 2,529.20, 3,784.08 and 1,882.82

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Solution

The fourth proportional to 2,529.20, 3,784.08 and 1,882.82 is: 2,816.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,529.20 : 3,784.08 = 1,882.82 : x
  2. Step 2: Convert to fraction form
    2,529.20/3,784.08 = 1,882.82/x
  3. Step 3: Cross multiply
    2,529.20x = 3,784.08 × 1,882.82
  4. Step 4: Simplify right side
    2,529.20x = 7,124,741.51
  5. Step 5: Solve for x
    x = 7,124,741.51/2,529.20
  6. Step 6: Final answer
    x = 2,816.99

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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.