Home / 2,110.20-3,165.30-2,077.80

Finding the Fourth Proportional to 2,110.20, 3,165.30 and 2,077.80

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Solution

The fourth proportional to 2,110.20, 3,165.30 and 2,077.80 is: 3,116.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.20 : 3,165.30 = 2,077.80 : x
  2. Step 2: Convert to fraction form
    2,110.20/3,165.30 = 2,077.80/x
  3. Step 3: Cross multiply
    2,110.20x = 3,165.30 × 2,077.80
  4. Step 4: Simplify right side
    2,110.20x = 6,576,860.34
  5. Step 5: Solve for x
    x = 6,576,860.34/2,110.20
  6. Step 6: Final answer
    x = 3,116.70

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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.