Home / 2,421.70-3,632.55-2,227.30

Finding the Fourth Proportional to 2,421.70, 3,632.55 and 2,227.30

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Solution

The fourth proportional to 2,421.70, 3,632.55 and 2,227.30 is: 3,340.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421.70 : 3,632.55 = 2,227.30 : x
  2. Step 2: Convert to fraction form
    2,421.70/3,632.55 = 2,227.30/x
  3. Step 3: Cross multiply
    2,421.70x = 3,632.55 × 2,227.30
  4. Step 4: Simplify right side
    2,421.70x = 8,090,778.62
  5. Step 5: Solve for x
    x = 8,090,778.62/2,421.70
  6. Step 6: Final answer
    x = 3,340.95

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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.