Home / 2,219.76-3,324.96-1,339.52

Finding the Fourth Proportional to 2,219.76, 3,324.96 and 1,339.52

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Solution

The fourth proportional to 2,219.76, 3,324.96 and 1,339.52 is: 2,006.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219.76 : 3,324.96 = 1,339.52 : x
  2. Step 2: Convert to fraction form
    2,219.76/3,324.96 = 1,339.52/x
  3. Step 3: Cross multiply
    2,219.76x = 3,324.96 × 1,339.52
  4. Step 4: Simplify right side
    2,219.76x = 4,453,833.79
  5. Step 5: Solve for x
    x = 4,453,833.79/2,219.76
  6. Step 6: Final answer
    x = 2,006.45

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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.