Home / 3,491.90-4,815.06-2,496.80

Finding the Fourth Proportional to 3,491.90, 4,815.06 and 2,496.80

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Solution

The fourth proportional to 3,491.90, 4,815.06 and 2,496.80 is: 3,442.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491.90 : 4,815.06 = 2,496.80 : x
  2. Step 2: Convert to fraction form
    3,491.90/4,815.06 = 2,496.80/x
  3. Step 3: Cross multiply
    3,491.90x = 4,815.06 × 2,496.80
  4. Step 4: Simplify right side
    3,491.90x = 12,022,241.81
  5. Step 5: Solve for x
    x = 12,022,241.81/3,491.90
  6. Step 6: Final answer
    x = 3,442.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.