Home / 2,219.16-3,321.36-1,488.48

Finding the Fourth Proportional to 2,219.16, 3,321.36 and 1,488.48

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Solution

The fourth proportional to 2,219.16, 3,321.36 and 1,488.48 is: 2,227.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219.16 : 3,321.36 = 1,488.48 : x
  2. Step 2: Convert to fraction form
    2,219.16/3,321.36 = 1,488.48/x
  3. Step 3: Cross multiply
    2,219.16x = 3,321.36 × 1,488.48
  4. Step 4: Simplify right side
    2,219.16x = 4,943,777.93
  5. Step 5: Solve for x
    x = 4,943,777.93/2,219.16
  6. Step 6: Final answer
    x = 2,227.77

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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.