Home / 3,240.48-4,855.14-2,551.56

Finding the Fourth Proportional to 3,240.48, 4,855.14 and 2,551.56

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Solution

The fourth proportional to 3,240.48, 4,855.14 and 2,551.56 is: 3,822.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.48 : 4,855.14 = 2,551.56 : x
  2. Step 2: Convert to fraction form
    3,240.48/4,855.14 = 2,551.56/x
  3. Step 3: Cross multiply
    3,240.48x = 4,855.14 × 2,551.56
  4. Step 4: Simplify right side
    3,240.48x = 12,388,181.02
  5. Step 5: Solve for x
    x = 12,388,181.02/3,240.48
  6. Step 6: Final answer
    x = 3,822.95

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1.5x scale

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.