Home / 3,240.55-4,849.62-2,648.71

Finding the Fourth Proportional to 3,240.55, 4,849.62 and 2,648.71

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Solution

The fourth proportional to 3,240.55, 4,849.62 and 2,648.71 is: 3,963.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.55 : 4,849.62 = 2,648.71 : x
  2. Step 2: Convert to fraction form
    3,240.55/4,849.62 = 2,648.71/x
  3. Step 3: Cross multiply
    3,240.55x = 4,849.62 × 2,648.71
  4. Step 4: Simplify right side
    3,240.55x = 12,845,236.99
  5. Step 5: Solve for x
    x = 12,845,236.99/3,240.55
  6. Step 6: Final answer
    x = 3,963.91

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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.