Home / 2,221.58-3,332.37-1,180.93

Finding the Fourth Proportional to 2,221.58, 3,332.37 and 1,180.93

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Solution

The fourth proportional to 2,221.58, 3,332.37 and 1,180.93 is: 1,771.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221.58 : 3,332.37 = 1,180.93 : x
  2. Step 2: Convert to fraction form
    2,221.58/3,332.37 = 1,180.93/x
  3. Step 3: Cross multiply
    2,221.58x = 3,332.37 × 1,180.93
  4. Step 4: Simplify right side
    2,221.58x = 3,935,288.09
  5. Step 5: Solve for x
    x = 3,935,288.09/2,221.58
  6. Step 6: Final answer
    x = 1,771.39

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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.