Home / 2,220.93-3,332.41-1,180.67

Finding the Fourth Proportional to 2,220.93, 3,332.41 and 1,180.67

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Solution

The fourth proportional to 2,220.93, 3,332.41 and 1,180.67 is: 1,771.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.93 : 3,332.41 = 1,180.67 : x
  2. Step 2: Convert to fraction form
    2,220.93/3,332.41 = 1,180.67/x
  3. Step 3: Cross multiply
    2,220.93x = 3,332.41 × 1,180.67
  4. Step 4: Simplify right side
    2,220.93x = 3,934,456.90
  5. Step 5: Solve for x
    x = 3,934,456.90/2,220.93
  6. Step 6: Final answer
    x = 1,771.54

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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.