Home / 3,007.20-4,510.80-2,704.80

Finding the Fourth Proportional to 3,007.20, 4,510.80 and 2,704.80

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Solution

The fourth proportional to 3,007.20, 4,510.80 and 2,704.80 is: 4,057.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,007.20 : 4,510.80 = 2,704.80 : x
  2. Step 2: Convert to fraction form
    3,007.20/4,510.80 = 2,704.80/x
  3. Step 3: Cross multiply
    3,007.20x = 4,510.80 × 2,704.80
  4. Step 4: Simplify right side
    3,007.20x = 12,200,811.84
  5. Step 5: Solve for x
    x = 12,200,811.84/3,007.20
  6. Step 6: Final answer
    x = 4,057.20

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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.