Home / 2,450.64-3,380.04-1,984.72

Finding the Fourth Proportional to 2,450.64, 3,380.04 and 1,984.72

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Solution

The fourth proportional to 2,450.64, 3,380.04 and 1,984.72 is: 2,737.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,450.64 : 3,380.04 = 1,984.72 : x
  2. Step 2: Convert to fraction form
    2,450.64/3,380.04 = 1,984.72/x
  3. Step 3: Cross multiply
    2,450.64x = 3,380.04 × 1,984.72
  4. Step 4: Simplify right side
    2,450.64x = 6,708,432.99
  5. Step 5: Solve for x
    x = 6,708,432.99/2,450.64
  6. Step 6: Final answer
    x = 2,737.42

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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.