Home / 3,000.20-4,491.74-2,384.78

Finding the Fourth Proportional to 3,000.20, 4,491.74 and 2,384.78

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Solution

The fourth proportional to 3,000.20, 4,491.74 and 2,384.78 is: 3,570.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000.20 : 4,491.74 = 2,384.78 : x
  2. Step 2: Convert to fraction form
    3,000.20/4,491.74 = 2,384.78/x
  3. Step 3: Cross multiply
    3,000.20x = 4,491.74 × 2,384.78
  4. Step 4: Simplify right side
    3,000.20x = 10,711,811.72
  5. Step 5: Solve for x
    x = 10,711,811.72/3,000.20
  6. Step 6: Final answer
    x = 3,570.37

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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.