Home / 2,450.13-3,381.39-1,455.60

Finding the Fourth Proportional to 2,450.13, 3,381.39 and 1,455.60

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Solution

The fourth proportional to 2,450.13, 3,381.39 and 1,455.60 is: 2,008.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,450.13 : 3,381.39 = 1,455.60 : x
  2. Step 2: Convert to fraction form
    2,450.13/3,381.39 = 1,455.60/x
  3. Step 3: Cross multiply
    2,450.13x = 3,381.39 × 1,455.60
  4. Step 4: Simplify right side
    2,450.13x = 4,921,951.28
  5. Step 5: Solve for x
    x = 4,921,951.28/2,450.13
  6. Step 6: Final answer
    x = 2,008.85

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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.