Home / 2,076.44-3,116.02-1,909.58

Finding the Fourth Proportional to 2,076.44, 3,116.02 and 1,909.58

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Solution

The fourth proportional to 2,076.44, 3,116.02 and 1,909.58 is: 2,865.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076.44 : 3,116.02 = 1,909.58 : x
  2. Step 2: Convert to fraction form
    2,076.44/3,116.02 = 1,909.58/x
  3. Step 3: Cross multiply
    2,076.44x = 3,116.02 × 1,909.58
  4. Step 4: Simplify right side
    2,076.44x = 5,950,289.47
  5. Step 5: Solve for x
    x = 5,950,289.47/2,076.44
  6. Step 6: Final answer
    x = 2,865.62

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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.