Home / 2,796.30-4,190.58-2,689.77

Finding the Fourth Proportional to 2,796.30, 4,190.58 and 2,689.77

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Solution

The fourth proportional to 2,796.30, 4,190.58 and 2,689.77 is: 4,030.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,796.30 : 4,190.58 = 2,689.77 : x
  2. Step 2: Convert to fraction form
    2,796.30/4,190.58 = 2,689.77/x
  3. Step 3: Cross multiply
    2,796.30x = 4,190.58 × 2,689.77
  4. Step 4: Simplify right side
    2,796.30x = 11,271,696.37
  5. Step 5: Solve for x
    x = 11,271,696.37/2,796.30
  6. Step 6: Final answer
    x = 4,030.93

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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.