Home / 2,450.55-3,381.66-1,455.80

Finding the Fourth Proportional to 2,450.55, 3,381.66 and 1,455.80

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Solution

The fourth proportional to 2,450.55, 3,381.66 and 1,455.80 is: 2,008.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,450.55 : 3,381.66 = 1,455.80 : x
  2. Step 2: Convert to fraction form
    2,450.55/3,381.66 = 1,455.80/x
  3. Step 3: Cross multiply
    2,450.55x = 3,381.66 × 1,455.80
  4. Step 4: Simplify right side
    2,450.55x = 4,923,013.35
  5. Step 5: Solve for x
    x = 4,923,013.35/2,450.55
  6. Step 6: Final answer
    x = 2,008.95

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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.