Home / 2,760.20-3,810-2,051.85

Finding the Fourth Proportional to 2,760.20, 3,810 and 2,051.85

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Solution

The fourth proportional to 2,760.20, 3,810 and 2,051.85 is: 2,832.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760.20 : 3,810 = 2,051.85 : x
  2. Step 2: Convert to fraction form
    2,760.20/3,810 = 2,051.85/x
  3. Step 3: Cross multiply
    2,760.20x = 3,810 × 2,051.85
  4. Step 4: Simplify right side
    2,760.20x = 7,817,548.50
  5. Step 5: Solve for x
    x = 7,817,548.50/2,760.20
  6. Step 6: Final answer
    x = 2,832.24

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Why These Related Problems?

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