Home / 1,520.08-2,103.24-1,324.24

Finding the Fourth Proportional to 1,520.08, 2,103.24 and 1,324.24

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Solution

The fourth proportional to 1,520.08, 2,103.24 and 1,324.24 is: 1,832.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520.08 : 2,103.24 = 1,324.24 : x
  2. Step 2: Convert to fraction form
    1,520.08/2,103.24 = 1,324.24/x
  3. Step 3: Cross multiply
    1,520.08x = 2,103.24 × 1,324.24
  4. Step 4: Simplify right side
    1,520.08x = 2,785,194.54
  5. Step 5: Solve for x
    x = 2,785,194.54/1,520.08
  6. Step 6: Final answer
    x = 1,832.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.