Home / 3,813.13-5,271.75-2,816.83

Finding the Fourth Proportional to 3,813.13, 5,271.75 and 2,816.83

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Solution

The fourth proportional to 3,813.13, 5,271.75 and 2,816.83 is: 3,894.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,813.13 : 5,271.75 = 2,816.83 : x
  2. Step 2: Convert to fraction form
    3,813.13/5,271.75 = 2,816.83/x
  3. Step 3: Cross multiply
    3,813.13x = 5,271.75 × 2,816.83
  4. Step 4: Simplify right side
    3,813.13x = 14,849,623.55
  5. Step 5: Solve for x
    x = 14,849,623.55/3,813.13
  6. Step 6: Final answer
    x = 3,894.34

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.