Home / 2,221.58-3,333.76-1,248.36

Finding the Fourth Proportional to 2,221.58, 3,333.76 and 1,248.36

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Solution

The fourth proportional to 2,221.58, 3,333.76 and 1,248.36 is: 1,873.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221.58 : 3,333.76 = 1,248.36 : x
  2. Step 2: Convert to fraction form
    2,221.58/3,333.76 = 1,248.36/x
  3. Step 3: Cross multiply
    2,221.58x = 3,333.76 × 1,248.36
  4. Step 4: Simplify right side
    2,221.58x = 4,161,735.76
  5. Step 5: Solve for x
    x = 4,161,735.76/2,221.58
  6. Step 6: Final answer
    x = 1,873.33

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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.