Home / 2,803.11-4,202.43-1,816.93

Finding the Fourth Proportional to 2,803.11, 4,202.43 and 1,816.93

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Solution

The fourth proportional to 2,803.11, 4,202.43 and 1,816.93 is: 2,723.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,803.11 : 4,202.43 = 1,816.93 : x
  2. Step 2: Convert to fraction form
    2,803.11/4,202.43 = 1,816.93/x
  3. Step 3: Cross multiply
    2,803.11x = 4,202.43 × 1,816.93
  4. Step 4: Simplify right side
    2,803.11x = 7,635,521.14
  5. Step 5: Solve for x
    x = 7,635,521.14/2,803.11
  6. Step 6: Final answer
    x = 2,723.95

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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.