Home / 2,729.02-4,089.66-2,101.95

Finding the Fourth Proportional to 2,729.02, 4,089.66 and 2,101.95

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Solution

The fourth proportional to 2,729.02, 4,089.66 and 2,101.95 is: 3,149.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,729.02 : 4,089.66 = 2,101.95 : x
  2. Step 2: Convert to fraction form
    2,729.02/4,089.66 = 2,101.95/x
  3. Step 3: Cross multiply
    2,729.02x = 4,089.66 × 2,101.95
  4. Step 4: Simplify right side
    2,729.02x = 8,596,245.36
  5. Step 5: Solve for x
    x = 8,596,245.36/2,729.02
  6. Step 6: Final answer
    x = 3,149.94

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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.