Home / 3,650.60-5,472.30-1,456.40

Finding the Fourth Proportional to 3,650.60, 5,472.30 and 1,456.40

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Solution

The fourth proportional to 3,650.60, 5,472.30 and 1,456.40 is: 2,183.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,650.60 : 5,472.30 = 1,456.40 : x
  2. Step 2: Convert to fraction form
    3,650.60/5,472.30 = 1,456.40/x
  3. Step 3: Cross multiply
    3,650.60x = 5,472.30 × 1,456.40
  4. Step 4: Simplify right side
    3,650.60x = 7,969,857.72
  5. Step 5: Solve for x
    x = 7,969,857.72/3,650.60
  6. Step 6: Final answer
    x = 2,183.16

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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.