Home / 2,491.02-3,731.58-2,286.90

Finding the Fourth Proportional to 2,491.02, 3,731.58 and 2,286.90

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Solution

The fourth proportional to 2,491.02, 3,731.58 and 2,286.90 is: 3,425.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,491.02 : 3,731.58 = 2,286.90 : x
  2. Step 2: Convert to fraction form
    2,491.02/3,731.58 = 2,286.90/x
  3. Step 3: Cross multiply
    2,491.02x = 3,731.58 × 2,286.90
  4. Step 4: Simplify right side
    2,491.02x = 8,533,750.30
  5. Step 5: Solve for x
    x = 8,533,750.30/2,491.02
  6. Step 6: Final answer
    x = 3,425.81

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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.