Home / 3,674.02-5,497.28-2,187.80

Finding the Fourth Proportional to 3,674.02, 5,497.28 and 2,187.80

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Solution

The fourth proportional to 3,674.02, 5,497.28 and 2,187.80 is: 3,273.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,674.02 : 5,497.28 = 2,187.80 : x
  2. Step 2: Convert to fraction form
    3,674.02/5,497.28 = 2,187.80/x
  3. Step 3: Cross multiply
    3,674.02x = 5,497.28 × 2,187.80
  4. Step 4: Simplify right side
    3,674.02x = 12,026,949.18
  5. Step 5: Solve for x
    x = 12,026,949.18/3,674.02
  6. Step 6: Final answer
    x = 3,273.51

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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.